140812820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{84827}}^1$

素因数の和:84919

約数の個数: 24

約数和(自身を含む): 299273184

約数和(自身を除く): 158460364

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 84827, 169654, 339308, 424135, 848270, 1696540, 7040641, 14081282, 28162564, 35203205, 70406410, 140812820]

約数ペア:

[(1, 140812820), (2, 70406410), (4, 35203205), (5, 28162564), (10, 14081282), (20, 7040641), (83, 1696540), (166, 848270), (332, 424135), (415, 339308), (830, 169654), (1660, 84827)]