51553480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117167}}^1$

素因数の和:117189

約数の個数: 32

約数和(自身を含む): 126541440

約数和(自身を除く): 74987960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 117167, 234334, 468668, 585835, 937336, 1171670, 1288837, 2343340, 2577674, 4686680, 5155348, 6444185, 10310696, 12888370, 25776740, 51553480]

約数ペア:

[(1, 51553480), (2, 25776740), (4, 12888370), (5, 10310696), (8, 6444185), (10, 5155348), (11, 4686680), (20, 2577674), (22, 2343340), (40, 1288837), (44, 1171670), (55, 937336), (88, 585835), (110, 468668), (220, 234334), (440, 117167)]