90323560

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{5521}}^1$

素因数の和:5941

約数の個数: 32

約数和(自身を含む): 203761800

約数和(自身を除く): 113438240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 5521, 8180, 11042, 16360, 22084, 27605, 44168, 55210, 110420, 220840, 2258089, 4516178, 9032356, 11290445, 18064712, 22580890, 45161780, 90323560]

約数ペア:

[(1, 90323560), (2, 45161780), (4, 22580890), (5, 18064712), (8, 11290445), (10, 9032356), (20, 4516178), (40, 2258089), (409, 220840), (818, 110420), (1636, 55210), (2045, 44168), (3272, 27605), (4090, 22084), (5521, 16360), (8180, 11042)]