64627540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1451}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 144897984

約数和(自身を除く): 80270444

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 340, 524, 655, 1310, 1451, 2227, 2620, 2902, 4454, 5804, 7255, 8908, 11135, 14510, 22270, 24667, 29020, 44540, 49334, 98668, 123335, 190081, 246670, 380162, 493340, 760324, 950405, 1900810, 3231377, 3801620, 6462754, 12925508, 16156885, 32313770, 64627540]

約数ペア:

[(1, 64627540), (2, 32313770), (4, 16156885), (5, 12925508), (10, 6462754), (17, 3801620), (20, 3231377), (34, 1900810), (68, 950405), (85, 760324), (131, 493340), (170, 380162), (262, 246670), (340, 190081), (524, 123335), (655, 98668), (1310, 49334), (1451, 44540), (2227, 29020), (2620, 24667), (2902, 22270), (4454, 14510), (5804, 11135), (7255, 8908)]