39948160

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 112559040

約数和(自身を除く): 72610880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 140, 148, 160, 185, 224, 241, 259, 280, 296, 320, 370, 448, 482, 518, 560, 592, 640, 740, 896, 964, 1036, 1120, 1184, 1205, 1295, 1480, 1687, 1928, 2072, 2240, 2368, 2410, 2590, 2960, 3374, 3856, 4144, 4480, 4736, 4820, 5180, 5920, 6748, 7712, 8288, 8435, 8917, 9640, 10360, 11840, 13496, 15424, 16576, 16870, 17834, 19280, 20720, 23680, 26992, 30848, 33152, 33740, 35668, 38560, 41440, 44585, 53984, 62419, 67480, 71336, 77120, 82880, 89170, 107968, 124838, 134960, 142672, 154240, 165760, 178340, 215936, 249676, 269920, 285344, 312095, 356680, 499352, 539840, 570688, 624190, 713360, 998704, 1079680, 1141376, 1248380, 1426720, 1997408, 2496760, 2853440, 3994816, 4993520, 5706880, 7989632, 9987040, 19974080, 39948160]

約数ペア:

[(1, 39948160), (2, 19974080), (4, 9987040), (5, 7989632), (7, 5706880), (8, 4993520), (10, 3994816), (14, 2853440), (16, 2496760), (20, 1997408), (28, 1426720), (32, 1248380), (35, 1141376), (37, 1079680), (40, 998704), (56, 713360), (64, 624190), (70, 570688), (74, 539840), (80, 499352), (112, 356680), (128, 312095), (140, 285344), (148, 269920), (160, 249676), (185, 215936), (224, 178340), (241, 165760), (259, 154240), (280, 142672), (296, 134960), (320, 124838), (370, 107968), (448, 89170), (482, 82880), (518, 77120), (560, 71336), (592, 67480), (640, 62419), (740, 53984), (896, 44585), (964, 41440), (1036, 38560), (1120, 35668), (1184, 33740), (1205, 33152), (1295, 30848), (1480, 26992), (1687, 23680), (1928, 20720), (2072, 19280), (2240, 17834), (2368, 16870), (2410, 16576), (2590, 15424), (2960, 13496), (3374, 11840), (3856, 10360), (4144, 9640), (4480, 8917), (4736, 8435), (4820, 8288), (5180, 7712), (5920, 6748)]