40069808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 80203200

約数和(自身を除く): 40133392

約数列:

[1, 2, 4, 8, 16, 43, 86, 139, 172, 278, 344, 419, 556, 688, 838, 1112, 1676, 2224, 3352, 5977, 6704, 11954, 18017, 23908, 36034, 47816, 58241, 72068, 95632, 116482, 144136, 232964, 288272, 465928, 931856, 2504363, 5008726, 10017452, 20034904, 40069808]

約数ペア:

[(1, 40069808), (2, 20034904), (4, 10017452), (8, 5008726), (16, 2504363), (43, 931856), (86, 465928), (139, 288272), (172, 232964), (278, 144136), (344, 116482), (419, 95632), (556, 72068), (688, 58241), (838, 47816), (1112, 36034), (1676, 23908), (2224, 18017), (3352, 11954), (5977, 6704)]