8889762320

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1565099}}^1$

素因数の和:1565183

約数の個数: 40

約数和(自身を含む): 20959819200

約数和(自身を除く): 12070056880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 1565099, 3130198, 6260396, 7825495, 12520792, 15650990, 25041584, 31301980, 62603960, 111122029, 125207920, 222244058, 444488116, 555610145, 888976232, 1111220290, 1777952464, 2222440580, 4444881160, 8889762320]

約数ペア:

[(1, 8889762320), (2, 4444881160), (4, 2222440580), (5, 1777952464), (8, 1111220290), (10, 888976232), (16, 555610145), (20, 444488116), (40, 222244058), (71, 125207920), (80, 111122029), (142, 62603960), (284, 31301980), (355, 25041584), (568, 15650990), (710, 12520792), (1136, 7825495), (1420, 6260396), (2840, 3130198), (5680, 1565099)]