2689552540

素因数分解:

$2^2\times 5^1\times {\mathrm{7417}}^1\times {\mathrm{18131}}^1$

素因数の和:25557

約数の個数: 24

約数和(自身を含む): 5649133392

約数和(自身を除く): 2959580852

約数列:

[1, 2, 4, 5, 10, 20, 7417, 14834, 18131, 29668, 36262, 37085, 72524, 74170, 90655, 148340, 181310, 362620, 134477627, 268955254, 537910508, 672388135, 1344776270, 2689552540]

約数ペア:

[(1, 2689552540), (2, 1344776270), (4, 672388135), (5, 537910508), (10, 268955254), (20, 134477627), (7417, 362620), (14834, 181310), (18131, 148340), (29668, 90655), (36262, 74170), (37085, 72524)]