25525060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 58927680

約数和(自身を除く): 33402620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 739, 785, 1478, 1570, 1727, 2956, 3140, 3454, 3695, 6908, 7390, 8129, 8635, 14780, 16258, 17270, 32516, 34540, 40645, 81290, 116023, 162580, 232046, 464092, 580115, 1160230, 1276253, 2320460, 2552506, 5105012, 6381265, 12762530, 25525060]

約数ペア:

[(1, 25525060), (2, 12762530), (4, 6381265), (5, 5105012), (10, 2552506), (11, 2320460), (20, 1276253), (22, 1160230), (44, 580115), (55, 464092), (110, 232046), (157, 162580), (220, 116023), (314, 81290), (628, 40645), (739, 34540), (785, 32516), (1478, 17270), (1570, 16258), (1727, 14780), (2956, 8635), (3140, 8129), (3454, 7390), (3695, 6908)]