2493520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 5892480

約数和(自身を除く): 3398960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 439, 568, 710, 878, 1136, 1420, 1756, 2195, 2840, 3512, 4390, 5680, 7024, 8780, 17560, 31169, 35120, 62338, 124676, 155845, 249352, 311690, 498704, 623380, 1246760, 2493520]

約数ペア:

[(1, 2493520), (2, 1246760), (4, 623380), (5, 498704), (8, 311690), (10, 249352), (16, 155845), (20, 124676), (40, 62338), (71, 35120), (80, 31169), (142, 17560), (284, 8780), (355, 7024), (439, 5680), (568, 4390), (710, 3512), (878, 2840), (1136, 2195), (1420, 1756)]