25659920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2243}}^1$

素因数の和:2280

約数の個数: 80

約数和(自身を含む): 70120512

約数和(自身を除く): 44460592

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2243, 2288, 2860, 4486, 5720, 8972, 11215, 11440, 17944, 22430, 24673, 29159, 35888, 44860, 49346, 58318, 89720, 98692, 116636, 123365, 145795, 179440, 197384, 233272, 246730, 291590, 320749, 394768, 466544, 493460, 583180, 641498, 986920, 1166360, 1282996, 1603745, 1973840, 2332720, 2565992, 3207490, 5131984, 6414980, 12829960, 25659920]

約数ペア:

[(1, 25659920), (2, 12829960), (4, 6414980), (5, 5131984), (8, 3207490), (10, 2565992), (11, 2332720), (13, 1973840), (16, 1603745), (20, 1282996), (22, 1166360), (26, 986920), (40, 641498), (44, 583180), (52, 493460), (55, 466544), (65, 394768), (80, 320749), (88, 291590), (104, 246730), (110, 233272), (130, 197384), (143, 179440), (176, 145795), (208, 123365), (220, 116636), (260, 98692), (286, 89720), (440, 58318), (520, 49346), (572, 44860), (715, 35888), (880, 29159), (1040, 24673), (1144, 22430), (1430, 17944), (2243, 11440), (2288, 11215), (2860, 8972), (4486, 5720)]