25408240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2258

約数の個数: 80

約数和(自身を含む): 69433056

約数和(自身を除く): 44024816

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, 2221, 2288, 2860, 4442, 5720, 8884, 11105, 11440, 17768, 22210, 24431, 28873, 35536, 44420, 48862, 57746, 88840, 97724, 115492, 122155, 144365, 177680, 195448, 230984, 244310, 288730, 317603, 390896, 461968, 488620, 577460, 635206, 977240, 1154920, 1270412, 1588015, 1954480, 2309840, 2540824, 3176030, 5081648, 6352060, 12704120, 25408240]

約数ペア:

[(1, 25408240), (2, 12704120), (4, 6352060), (5, 5081648), (8, 3176030), (10, 2540824), (11, 2309840), (13, 1954480), (16, 1588015), (20, 1270412), (22, 1154920), (26, 977240), (40, 635206), (44, 577460), (52, 488620), (55, 461968), (65, 390896), (80, 317603), (88, 288730), (104, 244310), (110, 230984), (130, 195448), (143, 177680), (176, 144365), (208, 122155), (220, 115492), (260, 97724), (286, 88840), (440, 57746), (520, 48862), (572, 44420), (715, 35536), (880, 28873), (1040, 24431), (1144, 22210), (1430, 17768), (2221, 11440), (2288, 11105), (2860, 8884), (4442, 5720)]