25644320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12329}}^1$

素因数の和:12357

約数の個数: 48

約数和(自身を含む): 65250360

約数和(自身を除く): 39606040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 12329, 24658, 49316, 61645, 98632, 123290, 160277, 197264, 246580, 320554, 394528, 493160, 641108, 801385, 986320, 1282216, 1602770, 1972640, 2564432, 3205540, 5128864, 6411080, 12822160, 25644320]

約数ペア:

[(1, 25644320), (2, 12822160), (4, 6411080), (5, 5128864), (8, 3205540), (10, 2564432), (13, 1972640), (16, 1602770), (20, 1282216), (26, 986320), (32, 801385), (40, 641108), (52, 493160), (65, 394528), (80, 320554), (104, 246580), (130, 197264), (160, 160277), (208, 123290), (260, 98632), (416, 61645), (520, 49316), (1040, 24658), (2080, 12329)]