31820410

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 59304960

約数和(自身を除く): 27484550

約数列:

[1, 2, 5, 10, 47, 79, 94, 158, 235, 395, 470, 790, 857, 1714, 3713, 4285, 7426, 8570, 18565, 37130, 40279, 67703, 80558, 135406, 201395, 338515, 402790, 677030, 3182041, 6364082, 15910205, 31820410]

約数ペア:

[(1, 31820410), (2, 15910205), (5, 6364082), (10, 3182041), (47, 677030), (79, 402790), (94, 338515), (158, 201395), (235, 135406), (395, 80558), (470, 67703), (790, 40279), (857, 37130), (1714, 18565), (3713, 8570), (4285, 7426)]