42689980

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{3089}}^1$

素因数の和:3789

約数の個数: 24

約数和(自身を含む): 89807760

約数和(自身を除く): 47117780

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3089, 3455, 6178, 6910, 12356, 13820, 15445, 30890, 61780, 2134499, 4268998, 8537996, 10672495, 21344990, 42689980]

約数ペア:

[(1, 42689980), (2, 21344990), (4, 10672495), (5, 8537996), (10, 4268998), (20, 2134499), (691, 61780), (1382, 30890), (2764, 15445), (3089, 13820), (3455, 12356), (6178, 6910)]