71443580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274783}}^1$

素因数の和:274805

約数の個数: 24

約数和(自身を含む): 161572992

約数和(自身を除く): 90129412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 274783, 549566, 1099132, 1373915, 2747830, 3572179, 5495660, 7144358, 14288716, 17860895, 35721790, 71443580]

約数ペア:

[(1, 71443580), (2, 35721790), (4, 17860895), (5, 14288716), (10, 7144358), (13, 5495660), (20, 3572179), (26, 2747830), (52, 1373915), (65, 1099132), (130, 549566), (260, 274783)]