39081020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{509}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 89964000

約数和(自身を除く): 50882980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 349, 509, 698, 1018, 1396, 1745, 2036, 2545, 3490, 3839, 5090, 5599, 6980, 7678, 10180, 11198, 15356, 19195, 22396, 27995, 38390, 55990, 76780, 111980, 177641, 355282, 710564, 888205, 1776410, 1954051, 3552820, 3908102, 7816204, 9770255, 19540510, 39081020]

約数ペア:

[(1, 39081020), (2, 19540510), (4, 9770255), (5, 7816204), (10, 3908102), (11, 3552820), (20, 1954051), (22, 1776410), (44, 888205), (55, 710564), (110, 355282), (220, 177641), (349, 111980), (509, 76780), (698, 55990), (1018, 38390), (1396, 27995), (1745, 22396), (2036, 19195), (2545, 15356), (3490, 11198), (3839, 10180), (5090, 7678), (5599, 6980)]