20151430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{409}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 39261600

約数和(自身を除く): 19110170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 379, 409, 758, 818, 1895, 2045, 3790, 4090, 4927, 5317, 9854, 10634, 24635, 26585, 49270, 53170, 155011, 310022, 775055, 1550110, 2015143, 4030286, 10075715, 20151430]

約数ペア:

[(1, 20151430), (2, 10075715), (5, 4030286), (10, 2015143), (13, 1550110), (26, 775055), (65, 310022), (130, 155011), (379, 53170), (409, 49270), (758, 26585), (818, 24635), (1895, 10634), (2045, 9854), (3790, 5317), (4090, 4927)]