31669240

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2089}}^1$

素因数の和:2479

約数の個数: 32

約数和(自身を含む): 71478000

約数和(自身を除く): 39808760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 2089, 3032, 3790, 4178, 7580, 8356, 10445, 15160, 16712, 20890, 41780, 83560, 791731, 1583462, 3166924, 3958655, 6333848, 7917310, 15834620, 31669240]

約数ペア:

[(1, 31669240), (2, 15834620), (4, 7917310), (5, 6333848), (8, 3958655), (10, 3166924), (20, 1583462), (40, 791731), (379, 83560), (758, 41780), (1516, 20890), (1895, 16712), (2089, 15160), (3032, 10445), (3790, 8356), (4178, 7580)]