3620840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 8220960

約数和(自身を除く): 4600120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 691, 1048, 1310, 1382, 2620, 2764, 3455, 5240, 5528, 6910, 13820, 27640, 90521, 181042, 362084, 452605, 724168, 905210, 1810420, 3620840]

約数ペア:

[(1, 3620840), (2, 1810420), (4, 905210), (5, 724168), (8, 452605), (10, 362084), (20, 181042), (40, 90521), (131, 27640), (262, 13820), (524, 6910), (655, 5528), (691, 5240), (1048, 3455), (1310, 2764), (1382, 2620)]