88913480

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20393}}^1$

素因数の和:20513

約数の個数: 32

約数和(自身を含む): 201900600

約数和(自身を除く): 112987120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 20393, 40786, 81572, 101965, 163144, 203930, 407860, 815720, 2222837, 4445674, 8891348, 11114185, 17782696, 22228370, 44456740, 88913480]

約数ペア:

[(1, 88913480), (2, 44456740), (4, 22228370), (5, 17782696), (8, 11114185), (10, 8891348), (20, 4445674), (40, 2222837), (109, 815720), (218, 407860), (436, 203930), (545, 163144), (872, 101965), (1090, 81572), (2180, 40786), (4360, 20393)]