79795900

素因数分解:

$2^2\times 5^2\times {\mathrm{409}}^1\times {\mathrm{1951}}^1$

素因数の和:2374

約数の個数: 36

約数和(自身を含む): 173669440

約数和(自身を除く): 93873540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 409, 818, 1636, 1951, 2045, 3902, 4090, 7804, 8180, 9755, 10225, 19510, 20450, 39020, 40900, 48775, 97550, 195100, 797959, 1595918, 3191836, 3989795, 7979590, 15959180, 19948975, 39897950, 79795900]

約数ペア:

[(1, 79795900), (2, 39897950), (4, 19948975), (5, 15959180), (10, 7979590), (20, 3989795), (25, 3191836), (50, 1595918), (100, 797959), (409, 195100), (818, 97550), (1636, 48775), (1951, 40900), (2045, 39020), (3902, 20450), (4090, 19510), (7804, 10225), (8180, 9755)]