56217880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45337}}^1$

素因数の和:45379

約数の個数: 32

約数和(自身を含む): 130573440

約数和(自身を除く): 74355560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 45337, 90674, 181348, 226685, 362696, 453370, 906740, 1405447, 1813480, 2810894, 5621788, 7027235, 11243576, 14054470, 28108940, 56217880]

約数ペア:

[(1, 56217880), (2, 28108940), (4, 14054470), (5, 11243576), (8, 7027235), (10, 5621788), (20, 2810894), (31, 1813480), (40, 1405447), (62, 906740), (124, 453370), (155, 362696), (248, 226685), (310, 181348), (620, 90674), (1240, 45337)]