22418120

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2131}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 50656320

約数和(自身を除く): 28238200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2131, 2630, 4262, 5260, 8524, 10520, 10655, 17048, 21310, 42620, 85240, 560453, 1120906, 2241812, 2802265, 4483624, 5604530, 11209060, 22418120]

約数ペア:

[(1, 22418120), (2, 11209060), (4, 5604530), (5, 4483624), (8, 2802265), (10, 2241812), (20, 1120906), (40, 560453), (263, 85240), (526, 42620), (1052, 21310), (1315, 17048), (2104, 10655), (2131, 10520), (2630, 8524), (4262, 5260)]