1246760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 2851200

約数和(自身を除く): 1604440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 439, 568, 710, 878, 1420, 1756, 2195, 2840, 3512, 4390, 8780, 17560, 31169, 62338, 124676, 155845, 249352, 311690, 623380, 1246760]

約数ペア:

[(1, 1246760), (2, 623380), (4, 311690), (5, 249352), (8, 155845), (10, 124676), (20, 62338), (40, 31169), (71, 17560), (142, 8780), (284, 4390), (355, 3512), (439, 2840), (568, 2195), (710, 1756), (878, 1420)]