25448530

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 47184768

約数和(自身を除く): 21736238

約数列:

[1, 2, 5, 10, 71, 73, 142, 146, 355, 365, 491, 710, 730, 982, 2455, 4910, 5183, 10366, 25915, 34861, 35843, 51830, 69722, 71686, 174305, 179215, 348610, 358430, 2544853, 5089706, 12724265, 25448530]

約数ペア:

[(1, 25448530), (2, 12724265), (5, 5089706), (10, 2544853), (71, 358430), (73, 348610), (142, 179215), (146, 174305), (355, 71686), (365, 69722), (491, 51830), (710, 35843), (730, 34861), (982, 25915), (2455, 10366), (4910, 5183)]