30972740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19603}}^1$

素因数の和:19691

約数の個数: 24

約数和(自身を含む): 65869440

約数和(自身を除く): 34896700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 19603, 39206, 78412, 98015, 196030, 392060, 1548637, 3097274, 6194548, 7743185, 15486370, 30972740]

約数ペア:

[(1, 30972740), (2, 15486370), (4, 7743185), (5, 6194548), (10, 3097274), (20, 1548637), (79, 392060), (158, 196030), (316, 98015), (395, 78412), (790, 39206), (1580, 19603)]