40505920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 168

約数和(自身を含む): 120481344

約数和(自身を除く): 79975424

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 107, 112, 130, 140, 160, 169, 182, 208, 214, 224, 260, 280, 320, 338, 364, 416, 428, 448, 455, 520, 535, 560, 676, 728, 749, 832, 845, 856, 910, 1040, 1070, 1120, 1183, 1352, 1391, 1456, 1498, 1690, 1712, 1820, 2080, 2140, 2240, 2366, 2704, 2782, 2912, 2996, 3380, 3424, 3640, 3745, 4160, 4280, 4732, 5408, 5564, 5824, 5915, 5992, 6760, 6848, 6955, 7280, 7490, 8560, 9464, 9737, 10816, 11128, 11830, 11984, 13520, 13910, 14560, 14980, 17120, 18083, 18928, 19474, 22256, 23660, 23968, 27040, 27820, 29120, 29960, 34240, 36166, 37856, 38948, 44512, 47320, 47936, 48685, 54080, 55640, 59920, 72332, 75712, 77896, 89024, 90415, 94640, 97370, 111280, 119840, 126581, 144664, 155792, 180830, 189280, 194740, 222560, 239680, 253162, 289328, 311584, 361660, 378560, 389480, 445120, 506324, 578656, 623168, 632905, 723320, 778960, 1012648, 1157312, 1265810, 1446640, 1557920, 2025296, 2531620, 2893280, 3115840, 4050592, 5063240, 5786560, 8101184, 10126480, 20252960, 40505920]

約数ペア:

[(1, 40505920), (2, 20252960), (4, 10126480), (5, 8101184), (7, 5786560), (8, 5063240), (10, 4050592), (13, 3115840), (14, 2893280), (16, 2531620), (20, 2025296), (26, 1557920), (28, 1446640), (32, 1265810), (35, 1157312), (40, 1012648), (52, 778960), (56, 723320), (64, 632905), (65, 623168), (70, 578656), (80, 506324), (91, 445120), (104, 389480), (107, 378560), (112, 361660), (130, 311584), (140, 289328), (160, 253162), (169, 239680), (182, 222560), (208, 194740), (214, 189280), (224, 180830), (260, 155792), (280, 144664), (320, 126581), (338, 119840), (364, 111280), (416, 97370), (428, 94640), (448, 90415), (455, 89024), (520, 77896), (535, 75712), (560, 72332), (676, 59920), (728, 55640), (749, 54080), (832, 48685), (845, 47936), (856, 47320), (910, 44512), (1040, 38948), (1070, 37856), (1120, 36166), (1183, 34240), (1352, 29960), (1391, 29120), (1456, 27820), (1498, 27040), (1690, 23968), (1712, 23660), (1820, 22256), (2080, 19474), (2140, 18928), (2240, 18083), (2366, 17120), (2704, 14980), (2782, 14560), (2912, 13910), (2996, 13520), (3380, 11984), (3424, 11830), (3640, 11128), (3745, 10816), (4160, 9737), (4280, 9464), (4732, 8560), (5408, 7490), (5564, 7280), (5824, 6955), (5915, 6848), (5992, 6760)]