713904040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{225919}}^1$

素因数の和:226009

約数の個数: 32

約数和(自身を含む): 1626624000

約数和(自身を除く): 912719960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 225919, 451838, 903676, 1129595, 1807352, 2259190, 4518380, 9036760, 17847601, 35695202, 71390404, 89238005, 142780808, 178476010, 356952020, 713904040]

約数ペア:

[(1, 713904040), (2, 356952020), (4, 178476010), (5, 142780808), (8, 89238005), (10, 71390404), (20, 35695202), (40, 17847601), (79, 9036760), (158, 4518380), (316, 2259190), (395, 1807352), (632, 1129595), (790, 903676), (1580, 451838), (3160, 225919)]