25741040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 65808288

約数和(自身を除く): 40067248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 467, 520, 530, 689, 848, 934, 1040, 1060, 1378, 1868, 2120, 2335, 2756, 3445, 3736, 4240, 4670, 5512, 6071, 6890, 7472, 9340, 11024, 12142, 13780, 18680, 24284, 24751, 27560, 30355, 37360, 48568, 49502, 55120, 60710, 97136, 99004, 121420, 123755, 198008, 242840, 247510, 321763, 396016, 485680, 495020, 643526, 990040, 1287052, 1608815, 1980080, 2574104, 3217630, 5148208, 6435260, 12870520, 25741040]

約数ペア:

[(1, 25741040), (2, 12870520), (4, 6435260), (5, 5148208), (8, 3217630), (10, 2574104), (13, 1980080), (16, 1608815), (20, 1287052), (26, 990040), (40, 643526), (52, 495020), (53, 485680), (65, 396016), (80, 321763), (104, 247510), (106, 242840), (130, 198008), (208, 123755), (212, 121420), (260, 99004), (265, 97136), (424, 60710), (467, 55120), (520, 49502), (530, 48568), (689, 37360), (848, 30355), (934, 27560), (1040, 24751), (1060, 24284), (1378, 18680), (1868, 13780), (2120, 12142), (2335, 11024), (2756, 9340), (3445, 7472), (3736, 6890), (4240, 6071), (4670, 5512)]