55806820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{90011}}^1$

素因数の和:90051

約数の個数: 24

約数和(自身を含む): 120976128

約数和(自身を除く): 65169308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 90011, 180022, 360044, 450055, 900110, 1800220, 2790341, 5580682, 11161364, 13951705, 27903410, 55806820]

約数ペア:

[(1, 55806820), (2, 27903410), (4, 13951705), (5, 11161364), (10, 5580682), (20, 2790341), (31, 1800220), (62, 900110), (124, 450055), (155, 360044), (310, 180022), (620, 90011)]