8173520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1523

約数の個数: 40

約数和(自身を含む): 19284480

約数和(自身を除く): 11110960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1439, 2840, 2878, 5680, 5756, 7195, 11512, 14390, 23024, 28780, 57560, 102169, 115120, 204338, 408676, 510845, 817352, 1021690, 1634704, 2043380, 4086760, 8173520]

約数ペア:

[(1, 8173520), (2, 4086760), (4, 2043380), (5, 1634704), (8, 1021690), (10, 817352), (16, 510845), (20, 408676), (40, 204338), (71, 115120), (80, 102169), (142, 57560), (284, 28780), (355, 23024), (568, 14390), (710, 11512), (1136, 7195), (1420, 5756), (1439, 5680), (2840, 2878)]