201883240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388237}}^1$

素因数の和:388261

約数の個数: 32

約数和(自身を含む): 489179880

約数和(自身を除く): 287296640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388237, 776474, 1552948, 1941185, 3105896, 3882370, 5047081, 7764740, 10094162, 15529480, 20188324, 25235405, 40376648, 50470810, 100941620, 201883240]

約数ペア:

[(1, 201883240), (2, 100941620), (4, 50470810), (5, 40376648), (8, 25235405), (10, 20188324), (13, 15529480), (20, 10094162), (26, 7764740), (40, 5047081), (52, 3882370), (65, 3105896), (104, 1941185), (130, 1552948), (260, 776474), (520, 388237)]