25998960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{641}}^1$

素因数の和:683

約数の個数: 120

約数和(自身を含む): 87409584

約数和(自身を除く): 61410624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 641, 676, 780, 845, 1014, 1040, 1282, 1352, 1560, 1690, 1923, 2028, 2535, 2564, 2704, 3120, 3205, 3380, 3846, 4056, 5070, 5128, 6410, 6760, 7692, 8112, 8333, 9615, 10140, 10256, 12820, 13520, 15384, 16666, 19230, 20280, 24999, 25640, 30768, 33332, 38460, 40560, 41665, 49998, 51280, 66664, 76920, 83330, 99996, 108329, 124995, 133328, 153840, 166660, 199992, 216658, 249990, 324987, 333320, 399984, 433316, 499980, 541645, 649974, 666640, 866632, 999960, 1083290, 1299948, 1624935, 1733264, 1999920, 2166580, 2599896, 3249870, 4333160, 5199792, 6499740, 8666320, 12999480, 25998960]

約数ペア:

[(1, 25998960), (2, 12999480), (3, 8666320), (4, 6499740), (5, 5199792), (6, 4333160), (8, 3249870), (10, 2599896), (12, 2166580), (13, 1999920), (15, 1733264), (16, 1624935), (20, 1299948), (24, 1083290), (26, 999960), (30, 866632), (39, 666640), (40, 649974), (48, 541645), (52, 499980), (60, 433316), (65, 399984), (78, 333320), (80, 324987), (104, 249990), (120, 216658), (130, 199992), (156, 166660), (169, 153840), (195, 133328), (208, 124995), (240, 108329), (260, 99996), (312, 83330), (338, 76920), (390, 66664), (507, 51280), (520, 49998), (624, 41665), (641, 40560), (676, 38460), (780, 33332), (845, 30768), (1014, 25640), (1040, 24999), (1282, 20280), (1352, 19230), (1560, 16666), (1690, 15384), (1923, 13520), (2028, 12820), (2535, 10256), (2564, 10140), (2704, 9615), (3120, 8333), (3205, 8112), (3380, 7692), (3846, 6760), (4056, 6410), (5070, 5128)]