1042440640

素因数分解:

$2^6\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{2551}}^1$

素因数の和:3845

約数の個数: 56

約数和(自身を含む): 2485229472

約数和(自身を除く): 1442788832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1277, 2551, 2554, 5102, 5108, 6385, 10204, 10216, 12755, 12770, 20408, 20432, 25510, 25540, 40816, 40864, 51020, 51080, 81632, 81728, 102040, 102160, 163264, 204080, 204320, 408160, 408640, 816320, 3257627, 6515254, 13030508, 16288135, 26061016, 32576270, 52122032, 65152540, 104244064, 130305080, 208488128, 260610160, 521220320, 1042440640]

約数ペア:

[(1, 1042440640), (2, 521220320), (4, 260610160), (5, 208488128), (8, 130305080), (10, 104244064), (16, 65152540), (20, 52122032), (32, 32576270), (40, 26061016), (64, 16288135), (80, 13030508), (160, 6515254), (320, 3257627), (1277, 816320), (2551, 408640), (2554, 408160), (5102, 204320), (5108, 204080), (6385, 163264), (10204, 102160), (10216, 102040), (12755, 81728), (12770, 81632), (20408, 51080), (20432, 51020), (25510, 40864), (25540, 40816)]