2045492840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1649591}}^1$

素因数の和:1649633

約数の個数: 32

約数和(自身を含む): 4750824960

約数和(自身を除く): 2705332120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1649591, 3299182, 6598364, 8247955, 13196728, 16495910, 32991820, 51137321, 65983640, 102274642, 204549284, 255686605, 409098568, 511373210, 1022746420, 2045492840]

約数ペア:

[(1, 2045492840), (2, 1022746420), (4, 511373210), (5, 409098568), (8, 255686605), (10, 204549284), (20, 102274642), (31, 65983640), (40, 51137321), (62, 32991820), (124, 16495910), (155, 13196728), (248, 8247955), (310, 6598364), (620, 3299182), (1240, 1649591)]