30977720

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{941}}^1$

素因数の和:1775

約数の個数: 32

約数和(自身を含む): 69858720

約数和(自身を除く): 38881000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 941, 1646, 1882, 3292, 3764, 4115, 4705, 6584, 7528, 8230, 9410, 16460, 18820, 32920, 37640, 774443, 1548886, 3097772, 3872215, 6195544, 7744430, 15488860, 30977720]

約数ペア:

[(1, 30977720), (2, 15488860), (4, 7744430), (5, 6195544), (8, 3872215), (10, 3097772), (20, 1548886), (40, 774443), (823, 37640), (941, 32920), (1646, 18820), (1882, 16460), (3292, 9410), (3764, 8230), (4115, 7528), (4705, 6584)]