20100652720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5843213}}^1$

素因数の和:5843269

約数の個数: 40

約数和(自身を含む): 47820863376

約数和(自身を除く): 27720210656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 5843213, 11686426, 23372852, 29216065, 46745704, 58432130, 93491408, 116864260, 233728520, 251258159, 467457040, 502516318, 1005032636, 1256290795, 2010065272, 2512581590, 4020130544, 5025163180, 10050326360, 20100652720]

約数ペア:

[(1, 20100652720), (2, 10050326360), (4, 5025163180), (5, 4020130544), (8, 2512581590), (10, 2010065272), (16, 1256290795), (20, 1005032636), (40, 502516318), (43, 467457040), (80, 251258159), (86, 233728520), (172, 116864260), (215, 93491408), (344, 58432130), (430, 46745704), (688, 29216065), (860, 23372852), (1720, 11686426), (3440, 5843213)]