25839320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 68947200

約数和(自身を除く): 43107880

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 37, 40, 52, 65, 68, 74, 79, 85, 104, 130, 136, 148, 158, 170, 185, 221, 260, 296, 316, 340, 370, 395, 442, 481, 520, 629, 632, 680, 740, 790, 884, 962, 1027, 1105, 1258, 1343, 1480, 1580, 1768, 1924, 2054, 2210, 2405, 2516, 2686, 2923, 3145, 3160, 3848, 4108, 4420, 4810, 5032, 5135, 5372, 5846, 6290, 6715, 8177, 8216, 8840, 9620, 10270, 10744, 11692, 12580, 13430, 14615, 16354, 17459, 19240, 20540, 23384, 25160, 26860, 29230, 32708, 34918, 37999, 40885, 41080, 49691, 53720, 58460, 65416, 69836, 75998, 81770, 87295, 99382, 116920, 139672, 151996, 163540, 174590, 189995, 198764, 248455, 303992, 327080, 349180, 379990, 397528, 496910, 645983, 698360, 759980, 993820, 1291966, 1519960, 1987640, 2583932, 3229915, 5167864, 6459830, 12919660, 25839320]

約数ペア:

[(1, 25839320), (2, 12919660), (4, 6459830), (5, 5167864), (8, 3229915), (10, 2583932), (13, 1987640), (17, 1519960), (20, 1291966), (26, 993820), (34, 759980), (37, 698360), (40, 645983), (52, 496910), (65, 397528), (68, 379990), (74, 349180), (79, 327080), (85, 303992), (104, 248455), (130, 198764), (136, 189995), (148, 174590), (158, 163540), (170, 151996), (185, 139672), (221, 116920), (260, 99382), (296, 87295), (316, 81770), (340, 75998), (370, 69836), (395, 65416), (442, 58460), (481, 53720), (520, 49691), (629, 41080), (632, 40885), (680, 37999), (740, 34918), (790, 32708), (884, 29230), (962, 26860), (1027, 25160), (1105, 23384), (1258, 20540), (1343, 19240), (1480, 17459), (1580, 16354), (1768, 14615), (1924, 13430), (2054, 12580), (2210, 11692), (2405, 10744), (2516, 10270), (2686, 9620), (2923, 8840), (3145, 8216), (3160, 8177), (3848, 6715), (4108, 6290), (4420, 5846), (4810, 5372), (5032, 5135)]