2378619020

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{90031}}^1$

素因数の和:91361

約数の個数: 24

約数和(自身を含む): 4998936768

約数和(自身を除く): 2620317748

約数列:

[1, 2, 4, 5, 10, 20, 1321, 2642, 5284, 6605, 13210, 26420, 90031, 180062, 360124, 450155, 900310, 1800620, 118930951, 237861902, 475723804, 594654755, 1189309510, 2378619020]

約数ペア:

[(1, 2378619020), (2, 1189309510), (4, 594654755), (5, 475723804), (10, 237861902), (20, 118930951), (1321, 1800620), (2642, 900310), (5284, 450155), (6605, 360124), (13210, 180062), (26420, 90031)]