40855880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78569}}^1$

素因数の和:78593

約数の個数: 32

約数和(自身を含む): 98998200

約数和(自身を除く): 58142320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78569, 157138, 314276, 392845, 628552, 785690, 1021397, 1571380, 2042794, 3142760, 4085588, 5106985, 8171176, 10213970, 20427940, 40855880]

約数ペア:

[(1, 40855880), (2, 20427940), (4, 10213970), (5, 8171176), (8, 5106985), (10, 4085588), (13, 3142760), (20, 2042794), (26, 1571380), (40, 1021397), (52, 785690), (65, 628552), (104, 392845), (130, 314276), (260, 157138), (520, 78569)]