30904840

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2851}}^1$

素因数の和:3133

約数の個数: 32

約数和(自身を含む): 69816960

約数和(自身を除く): 38912120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 2851, 5420, 5702, 10840, 11404, 14255, 22808, 28510, 57020, 114040, 772621, 1545242, 3090484, 3863105, 6180968, 7726210, 15452420, 30904840]

約数ペア:

[(1, 30904840), (2, 15452420), (4, 7726210), (5, 6180968), (8, 3863105), (10, 3090484), (20, 1545242), (40, 772621), (271, 114040), (542, 57020), (1084, 28510), (1355, 22808), (2168, 14255), (2710, 11404), (2851, 10840), (5420, 5702)]