31254990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80141}}^1$

素因数の和:80164

約数の個数: 32

約数和(自身を含む): 80783136

約数和(自身を除く): 49528146

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80141, 160282, 240423, 400705, 480846, 801410, 1041833, 1202115, 2083666, 2404230, 3125499, 5209165, 6250998, 10418330, 15627495, 31254990]

約数ペア:

[(1, 31254990), (2, 15627495), (3, 10418330), (5, 6250998), (6, 5209165), (10, 3125499), (13, 2404230), (15, 2083666), (26, 1202115), (30, 1041833), (39, 801410), (65, 480846), (78, 400705), (130, 240423), (195, 160282), (390, 80141)]