8947640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17207}}^1$

素因数の和:17231

約数の個数: 32

約数和(自身を含む): 21682080

約数和(自身を除く): 12734440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 17207, 34414, 68828, 86035, 137656, 172070, 223691, 344140, 447382, 688280, 894764, 1118455, 1789528, 2236910, 4473820, 8947640]

約数ペア:

[(1, 8947640), (2, 4473820), (4, 2236910), (5, 1789528), (8, 1118455), (10, 894764), (13, 688280), (20, 447382), (26, 344140), (40, 223691), (52, 172070), (65, 137656), (104, 86035), (130, 68828), (260, 34414), (520, 17207)]