4185640

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 9477000

約数和(自身を除く): 5291360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 389, 538, 778, 1076, 1345, 1556, 1945, 2152, 2690, 3112, 3890, 5380, 7780, 10760, 15560, 104641, 209282, 418564, 523205, 837128, 1046410, 2092820, 4185640]

約数ペア:

[(1, 4185640), (2, 2092820), (4, 1046410), (5, 837128), (8, 523205), (10, 418564), (20, 209282), (40, 104641), (269, 15560), (389, 10760), (538, 7780), (778, 5380), (1076, 3890), (1345, 3112), (1556, 2690), (1945, 2152)]