408037640

素因数分解:

$2^3\times 5^1\times {\mathrm{2411}}^1\times {\mathrm{4231}}^1$

素因数の和:6653

約数の個数: 32

約数和(自身を含む): 918682560

約数和(自身を除く): 510644920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2411, 4231, 4822, 8462, 9644, 12055, 16924, 19288, 21155, 24110, 33848, 42310, 48220, 84620, 96440, 169240, 10200941, 20401882, 40803764, 51004705, 81607528, 102009410, 204018820, 408037640]

約数ペア:

[(1, 408037640), (2, 204018820), (4, 102009410), (5, 81607528), (8, 51004705), (10, 40803764), (20, 20401882), (40, 10200941), (2411, 169240), (4231, 96440), (4822, 84620), (8462, 48220), (9644, 42310), (12055, 33848), (16924, 24110), (19288, 21155)]