121780660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{148513}}^1$

素因数の和:148563

約数の個数: 24

約数和(自身を含む): 261978696

約数和(自身を除く): 140198036

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 148513, 297026, 594052, 742565, 1485130, 2970260, 6089033, 12178066, 24356132, 30445165, 60890330, 121780660]

約数ペア:

[(1, 121780660), (2, 60890330), (4, 30445165), (5, 24356132), (10, 12178066), (20, 6089033), (41, 2970260), (82, 1485130), (164, 742565), (205, 594052), (410, 297026), (820, 148513)]