78848780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{66821}}^1$

素因数の和:66889

約数の個数: 24

約数和(自身を含む): 168391440

約数和(自身を除く): 89542660

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 66821, 133642, 267284, 334105, 668210, 1336420, 3942439, 7884878, 15769756, 19712195, 39424390, 78848780]

約数ペア:

[(1, 78848780), (2, 39424390), (4, 19712195), (5, 15769756), (10, 7884878), (20, 3942439), (59, 1336420), (118, 668210), (236, 334105), (295, 267284), (590, 133642), (1180, 66821)]