201977620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{776837}}^1$

素因数の和:776859

約数の個数: 24

約数和(自身を含む): 456780744

約数和(自身を除く): 254803124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 776837, 1553674, 3107348, 3884185, 7768370, 10098881, 15536740, 20197762, 40395524, 50494405, 100988810, 201977620]

約数ペア:

[(1, 201977620), (2, 100988810), (4, 50494405), (5, 40395524), (10, 20197762), (13, 15536740), (20, 10098881), (26, 7768370), (52, 3884185), (65, 3107348), (130, 1553674), (260, 776837)]