640804927010

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{112225031}}^1$

素因数の和:112225609

約数の個数: 16

約数和(自身を含む): 1155468929472

約数和(自身を除く): 514664002462

約数列:

[1, 2, 5, 10, 571, 1142, 2855, 5710, 112225031, 224450062, 561125155, 1122250310, 64080492701, 128160985402, 320402463505, 640804927010]

約数ペア:

[(1, 640804927010), (2, 320402463505), (5, 128160985402), (10, 64080492701), (571, 1122250310), (1142, 561125155), (2855, 224450062), (5710, 112225031)]