201994606780

素因数分解:

$2^2\times 5^1\times {\mathrm{25219}}^1\times {\mathrm{400481}}^1$

素因数の和:425709

約数の個数: 24

約数和(自身を含む): 424206553680

約数和(自身を除く): 222211946900

約数列:

[1, 2, 4, 5, 10, 20, 25219, 50438, 100876, 126095, 252190, 400481, 504380, 800962, 1601924, 2002405, 4004810, 8009620, 10099730339, 20199460678, 40398921356, 50498651695, 100997303390, 201994606780]

約数ペア:

[(1, 201994606780), (2, 100997303390), (4, 50498651695), (5, 40398921356), (10, 20199460678), (20, 10099730339), (25219, 8009620), (50438, 4004810), (100876, 2002405), (126095, 1601924), (252190, 800962), (400481, 504380)]