681779080

素因数分解:

$2^3\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{11587}}^1$

素因数の和:13069

約数の個数: 32

約数和(自身を含む): 1535178240

約数和(自身を除く): 853399160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1471, 2942, 5884, 7355, 11587, 11768, 14710, 23174, 29420, 46348, 57935, 58840, 92696, 115870, 231740, 463480, 17044477, 34088954, 68177908, 85222385, 136355816, 170444770, 340889540, 681779080]

約数ペア:

[(1, 681779080), (2, 340889540), (4, 170444770), (5, 136355816), (8, 85222385), (10, 68177908), (20, 34088954), (40, 17044477), (1471, 463480), (2942, 231740), (5884, 115870), (7355, 92696), (11587, 58840), (11768, 57935), (14710, 46348), (23174, 29420)]