72553520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69763}}^1$

素因数の和:69789

約数の個数: 40

約数和(自身を含む): 181665456

約数和(自身を除く): 109111936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69763, 139526, 279052, 348815, 558104, 697630, 906919, 1116208, 1395260, 1813838, 2790520, 3627676, 4534595, 5581040, 7255352, 9069190, 14510704, 18138380, 36276760, 72553520]

約数ペア:

[(1, 72553520), (2, 36276760), (4, 18138380), (5, 14510704), (8, 9069190), (10, 7255352), (13, 5581040), (16, 4534595), (20, 3627676), (26, 2790520), (40, 1813838), (52, 1395260), (65, 1116208), (80, 906919), (104, 697630), (130, 558104), (208, 348815), (260, 279052), (520, 139526), (1040, 69763)]