4020128110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{205423}}^1$

素因数の和:205552

約数の個数: 32

約数和(自身を含む): 7691074560

約数和(自身を除く): 3670946450

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1957, 3914, 9785, 19570, 205423, 410846, 1027115, 2054230, 3903037, 7806074, 19515185, 21158569, 39030370, 42317138, 105792845, 211585690, 402012811, 804025622, 2010064055, 4020128110]

約数ペア:

[(1, 4020128110), (2, 2010064055), (5, 804025622), (10, 402012811), (19, 211585690), (38, 105792845), (95, 42317138), (103, 39030370), (190, 21158569), (206, 19515185), (515, 7806074), (1030, 3903037), (1957, 2054230), (3914, 1027115), (9785, 410846), (19570, 205423)]