71891480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57977}}^1$

素因数の和:58019

約数の個数: 32

約数和(自身を含む): 166976640

約数和(自身を除く): 95085160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 57977, 115954, 231908, 289885, 463816, 579770, 1159540, 1797287, 2319080, 3594574, 7189148, 8986435, 14378296, 17972870, 35945740, 71891480]

約数ペア:

[(1, 71891480), (2, 35945740), (4, 17972870), (5, 14378296), (8, 8986435), (10, 7189148), (20, 3594574), (31, 2319080), (40, 1797287), (62, 1159540), (124, 579770), (155, 463816), (248, 289885), (310, 231908), (620, 115954), (1240, 57977)]