25720112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{461}}^1$

素因数の和:797

約数の個数: 40

約数和(自身を含む): 54652752

約数和(自身を除く): 28932640

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 317, 461, 634, 922, 1268, 1844, 2536, 3487, 3688, 5071, 5072, 6974, 7376, 10142, 13948, 20284, 27896, 40568, 55792, 81136, 146137, 292274, 584548, 1169096, 1607507, 2338192, 3215014, 6430028, 12860056, 25720112]

約数ペア:

[(1, 25720112), (2, 12860056), (4, 6430028), (8, 3215014), (11, 2338192), (16, 1607507), (22, 1169096), (44, 584548), (88, 292274), (176, 146137), (317, 81136), (461, 55792), (634, 40568), (922, 27896), (1268, 20284), (1844, 13948), (2536, 10142), (3487, 7376), (3688, 6974), (5071, 5072)]