90799990

素因数分解:

$2^1\times 5^1\times {\mathrm{2819}}^1\times {\mathrm{3221}}^1$

素因数の和:6047

約数の個数: 16

約数和(自身を含む): 163548720

約数和(自身を除く): 72748730

約数列:

[1, 2, 5, 10, 2819, 3221, 5638, 6442, 14095, 16105, 28190, 32210, 9079999, 18159998, 45399995, 90799990]

約数ペア:

[(1, 90799990), (2, 45399995), (5, 18159998), (10, 9079999), (2819, 32210), (3221, 28190), (5638, 16105), (6442, 14095)]