22646840

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2203}}^1$

素因数の和:2471

約数の個数: 32

約数和(自身を含む): 51176880

約数和(自身を除く): 28530040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2203, 2570, 4406, 5140, 8812, 10280, 11015, 17624, 22030, 44060, 88120, 566171, 1132342, 2264684, 2830855, 4529368, 5661710, 11323420, 22646840]

約数ペア:

[(1, 22646840), (2, 11323420), (4, 5661710), (5, 4529368), (8, 2830855), (10, 2264684), (20, 1132342), (40, 566171), (257, 88120), (514, 44060), (1028, 22030), (1285, 17624), (2056, 11015), (2203, 10280), (2570, 8812), (4406, 5140)]