64499780

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{14207}}^1$

素因数の和:14443

約数の個数: 24

約数和(自身を含む): 136055808

約数和(自身を除く): 71556028

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 14207, 28414, 56828, 71035, 142070, 284140, 3224989, 6449978, 12899956, 16124945, 32249890, 64499780]

約数ペア:

[(1, 64499780), (2, 32249890), (4, 16124945), (5, 12899956), (10, 6449978), (20, 3224989), (227, 284140), (454, 142070), (908, 71035), (1135, 56828), (2270, 28414), (4540, 14207)]