25401480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:903

約数の個数: 128

約数和(自身を含む): 86486400

約数和(自身を除く): 61084920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 857, 988, 1140, 1235, 1482, 1560, 1714, 1976, 2280, 2470, 2571, 2964, 3428, 3705, 4285, 4940, 5142, 5928, 6856, 7410, 8570, 9880, 10284, 11141, 12855, 14820, 16283, 17140, 20568, 22282, 25710, 29640, 32566, 33423, 34280, 44564, 48849, 51420, 55705, 65132, 66846, 81415, 89128, 97698, 102840, 111410, 130264, 133692, 162830, 167115, 195396, 211679, 222820, 244245, 267384, 325660, 334230, 390792, 423358, 445640, 488490, 635037, 651320, 668460, 846716, 976980, 1058395, 1270074, 1336920, 1693432, 1953960, 2116790, 2540148, 3175185, 4233580, 5080296, 6350370, 8467160, 12700740, 25401480]

約数ペア:

[(1, 25401480), (2, 12700740), (3, 8467160), (4, 6350370), (5, 5080296), (6, 4233580), (8, 3175185), (10, 2540148), (12, 2116790), (13, 1953960), (15, 1693432), (19, 1336920), (20, 1270074), (24, 1058395), (26, 976980), (30, 846716), (38, 668460), (39, 651320), (40, 635037), (52, 488490), (57, 445640), (60, 423358), (65, 390792), (76, 334230), (78, 325660), (95, 267384), (104, 244245), (114, 222820), (120, 211679), (130, 195396), (152, 167115), (156, 162830), (190, 133692), (195, 130264), (228, 111410), (247, 102840), (260, 97698), (285, 89128), (312, 81415), (380, 66846), (390, 65132), (456, 55705), (494, 51420), (520, 48849), (570, 44564), (741, 34280), (760, 33423), (780, 32566), (857, 29640), (988, 25710), (1140, 22282), (1235, 20568), (1482, 17140), (1560, 16283), (1714, 14820), (1976, 12855), (2280, 11141), (2470, 10284), (2571, 9880), (2964, 8570), (3428, 7410), (3705, 6856), (4285, 5928), (4940, 5142)]