2080670320

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{52121}}^1$

素因数の和:52633

約数の個数: 40

約数和(自身を含む): 4847346000

約数和(自身を除く): 2766675680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 998, 1996, 2495, 3992, 4990, 7984, 9980, 19960, 39920, 52121, 104242, 208484, 260605, 416968, 521210, 833936, 1042420, 2084840, 4169680, 26008379, 52016758, 104033516, 130041895, 208067032, 260083790, 416134064, 520167580, 1040335160, 2080670320]

約数ペア:

[(1, 2080670320), (2, 1040335160), (4, 520167580), (5, 416134064), (8, 260083790), (10, 208067032), (16, 130041895), (20, 104033516), (40, 52016758), (80, 26008379), (499, 4169680), (998, 2084840), (1996, 1042420), (2495, 833936), (3992, 521210), (4990, 416968), (7984, 260605), (9980, 208484), (19960, 104242), (39920, 52121)]