31617156940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14503283}}^1$

素因数の和:14503401

約数の個数: 24

約数和(自身を含む): 67005172080

約数和(自身を除く): 35388015140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14503283, 29006566, 58013132, 72516415, 145032830, 290065660, 1580857847, 3161715694, 6323431388, 7904289235, 15808578470, 31617156940]

約数ペア:

[(1, 31617156940), (2, 15808578470), (4, 7904289235), (5, 6323431388), (10, 3161715694), (20, 1580857847), (109, 290065660), (218, 145032830), (436, 72516415), (545, 58013132), (1090, 29006566), (2180, 14503283)]