90018820

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{26017}}^1$

素因数の和:26199

約数の個数: 24

約数和(自身を含む): 190139544

約数和(自身を除く): 100120724

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 26017, 52034, 104068, 130085, 260170, 520340, 4500941, 9001882, 18003764, 22504705, 45009410, 90018820]

約数ペア:

[(1, 90018820), (2, 45009410), (4, 22504705), (5, 18003764), (10, 9001882), (20, 4500941), (173, 520340), (346, 260170), (692, 130085), (865, 104068), (1730, 52034), (3460, 26017)]