40888120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 116121600

約数和(自身を除く): 75233480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 47, 52, 56, 65, 70, 91, 94, 104, 130, 140, 182, 188, 235, 239, 260, 280, 329, 364, 376, 455, 470, 478, 520, 611, 658, 728, 910, 940, 956, 1195, 1222, 1316, 1645, 1673, 1820, 1880, 1912, 2390, 2444, 2632, 3055, 3107, 3290, 3346, 3640, 4277, 4780, 4888, 6110, 6214, 6580, 6692, 8365, 8554, 9560, 11233, 12220, 12428, 13160, 13384, 15535, 16730, 17108, 21385, 21749, 22466, 24440, 24856, 31070, 33460, 34216, 42770, 43498, 44932, 56165, 62140, 66920, 78631, 85540, 86996, 89864, 108745, 112330, 124280, 146029, 157262, 171080, 173992, 217490, 224660, 292058, 314524, 393155, 434980, 449320, 584116, 629048, 730145, 786310, 869960, 1022203, 1168232, 1460290, 1572620, 2044406, 2920580, 3145240, 4088812, 5111015, 5841160, 8177624, 10222030, 20444060, 40888120]

約数ペア:

[(1, 40888120), (2, 20444060), (4, 10222030), (5, 8177624), (7, 5841160), (8, 5111015), (10, 4088812), (13, 3145240), (14, 2920580), (20, 2044406), (26, 1572620), (28, 1460290), (35, 1168232), (40, 1022203), (47, 869960), (52, 786310), (56, 730145), (65, 629048), (70, 584116), (91, 449320), (94, 434980), (104, 393155), (130, 314524), (140, 292058), (182, 224660), (188, 217490), (235, 173992), (239, 171080), (260, 157262), (280, 146029), (329, 124280), (364, 112330), (376, 108745), (455, 89864), (470, 86996), (478, 85540), (520, 78631), (611, 66920), (658, 62140), (728, 56165), (910, 44932), (940, 43498), (956, 42770), (1195, 34216), (1222, 33460), (1316, 31070), (1645, 24856), (1673, 24440), (1820, 22466), (1880, 21749), (1912, 21385), (2390, 17108), (2444, 16730), (2632, 15535), (3055, 13384), (3107, 13160), (3290, 12428), (3346, 12220), (3640, 11233), (4277, 9560), (4780, 8554), (4888, 8365), (6110, 6692), (6214, 6580)]