8049980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5669}}^1$

素因数の和:5749

約数の個数: 24

約数和(自身を含む): 17146080

約数和(自身を除く): 9096100

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5669, 11338, 22676, 28345, 56690, 113380, 402499, 804998, 1609996, 2012495, 4024990, 8049980]

約数ペア:

[(1, 8049980), (2, 4024990), (4, 2012495), (5, 1609996), (10, 804998), (20, 402499), (71, 113380), (142, 56690), (284, 28345), (355, 22676), (710, 11338), (1420, 5669)]