4987040

素因数分解:

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

素因数の和:525

約数の個数: 48

約数和(自身を含む): 11975040

約数和(自身を除く): 6988000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 439, 568, 710, 878, 1136, 1420, 1756, 2195, 2272, 2840, 3512, 4390, 5680, 7024, 8780, 11360, 14048, 17560, 31169, 35120, 62338, 70240, 124676, 155845, 249352, 311690, 498704, 623380, 997408, 1246760, 2493520, 4987040]

約数ペア:

[(1, 4987040), (2, 2493520), (4, 1246760), (5, 997408), (8, 623380), (10, 498704), (16, 311690), (20, 249352), (32, 155845), (40, 124676), (71, 70240), (80, 62338), (142, 35120), (160, 31169), (284, 17560), (355, 14048), (439, 11360), (568, 8780), (710, 7024), (878, 5680), (1136, 4390), (1420, 3512), (1756, 2840), (2195, 2272)]