205552173040

素因数分解:

$2^4\times 5^1\times {\mathrm{2569402163}}^1$

素因数の和:2569402176

約数の個数: 20

約数和(自身を含む): 477908802504

約数和(自身を除く): 272356629464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2569402163, 5138804326, 10277608652, 12847010815, 20555217304, 25694021630, 41110434608, 51388043260, 102776086520, 205552173040]

約数ペア:

[(1, 205552173040), (2, 102776086520), (4, 51388043260), (5, 41110434608), (8, 25694021630), (10, 20555217304), (16, 12847010815), (20, 10277608652), (40, 5138804326), (80, 2569402163)]