4086760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 9331200

約数和(自身を除く): 5244440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1439, 2840, 2878, 5756, 7195, 11512, 14390, 28780, 57560, 102169, 204338, 408676, 510845, 817352, 1021690, 2043380, 4086760]

約数ペア:

[(1, 4086760), (2, 2043380), (4, 1021690), (5, 817352), (8, 510845), (10, 408676), (20, 204338), (40, 102169), (71, 57560), (142, 28780), (284, 14390), (355, 11512), (568, 7195), (710, 5756), (1420, 2878), (1439, 2840)]