25999740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 87325056

約数和(自身を除く): 61325316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 41, 45, 52, 60, 65, 78, 82, 90, 117, 123, 130, 156, 164, 180, 195, 205, 234, 246, 260, 271, 369, 390, 410, 468, 492, 533, 542, 585, 615, 738, 780, 813, 820, 1066, 1084, 1170, 1230, 1355, 1476, 1599, 1626, 1845, 2132, 2340, 2439, 2460, 2665, 2710, 3198, 3252, 3523, 3690, 4065, 4797, 4878, 5330, 5420, 6396, 7046, 7380, 7995, 8130, 9594, 9756, 10569, 10660, 11111, 12195, 14092, 15990, 16260, 17615, 19188, 21138, 22222, 23985, 24390, 31707, 31980, 33333, 35230, 42276, 44444, 47970, 48780, 52845, 55555, 63414, 66666, 70460, 95940, 99999, 105690, 111110, 126828, 133332, 144443, 158535, 166665, 199998, 211380, 222220, 288886, 317070, 333330, 399996, 433329, 499995, 577772, 634140, 666660, 722215, 866658, 999990, 1299987, 1444430, 1733316, 1999980, 2166645, 2599974, 2888860, 4333290, 5199948, 6499935, 8666580, 12999870, 25999740]

約数ペア:

[(1, 25999740), (2, 12999870), (3, 8666580), (4, 6499935), (5, 5199948), (6, 4333290), (9, 2888860), (10, 2599974), (12, 2166645), (13, 1999980), (15, 1733316), (18, 1444430), (20, 1299987), (26, 999990), (30, 866658), (36, 722215), (39, 666660), (41, 634140), (45, 577772), (52, 499995), (60, 433329), (65, 399996), (78, 333330), (82, 317070), (90, 288886), (117, 222220), (123, 211380), (130, 199998), (156, 166665), (164, 158535), (180, 144443), (195, 133332), (205, 126828), (234, 111110), (246, 105690), (260, 99999), (271, 95940), (369, 70460), (390, 66666), (410, 63414), (468, 55555), (492, 52845), (533, 48780), (542, 47970), (585, 44444), (615, 42276), (738, 35230), (780, 33333), (813, 31980), (820, 31707), (1066, 24390), (1084, 23985), (1170, 22222), (1230, 21138), (1355, 19188), (1476, 17615), (1599, 16260), (1626, 15990), (1845, 14092), (2132, 12195), (2340, 11111), (2439, 10660), (2460, 10569), (2665, 9756), (2710, 9594), (3198, 8130), (3252, 7995), (3523, 7380), (3690, 7046), (4065, 6396), (4797, 5420), (4878, 5330)]