889805920

素因数分解:

$2^5\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{4027}}^1$

素因数の和:5423

約数の個数: 48

約数和(自身を含む): 2104211088

約数和(自身を除く): 1214405168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1381, 2762, 4027, 5524, 6905, 8054, 11048, 13810, 16108, 20135, 22096, 27620, 32216, 40270, 44192, 55240, 64432, 80540, 110480, 128864, 161080, 220960, 322160, 644320, 5561287, 11122574, 22245148, 27806435, 44490296, 55612870, 88980592, 111225740, 177961184, 222451480, 444902960, 889805920]

約数ペア:

[(1, 889805920), (2, 444902960), (4, 222451480), (5, 177961184), (8, 111225740), (10, 88980592), (16, 55612870), (20, 44490296), (32, 27806435), (40, 22245148), (80, 11122574), (160, 5561287), (1381, 644320), (2762, 322160), (4027, 220960), (5524, 161080), (6905, 128864), (8054, 110480), (11048, 80540), (13810, 64432), (16108, 55240), (20135, 44192), (22096, 40270), (27620, 32216)]