25402960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28867}}^1$

素因数の和:28891

約数の個数: 40

約数和(自身を含む): 64433376

約数和(自身を除く): 39030416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28867, 57734, 115468, 144335, 230936, 288670, 317537, 461872, 577340, 635074, 1154680, 1270148, 1587685, 2309360, 2540296, 3175370, 5080592, 6350740, 12701480, 25402960]

約数ペア:

[(1, 25402960), (2, 12701480), (4, 6350740), (5, 5080592), (8, 3175370), (10, 2540296), (11, 2309360), (16, 1587685), (20, 1270148), (22, 1154680), (40, 635074), (44, 577340), (55, 461872), (80, 317537), (88, 288670), (110, 230936), (176, 144335), (220, 115468), (440, 57734), (880, 28867)]