65516780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{467977}}^1$

素因数の和:467993

約数の個数: 24

約数和(自身を含む): 157240608

約数和(自身を除く): 91723828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 467977, 935954, 1871908, 2339885, 3275839, 4679770, 6551678, 9359540, 13103356, 16379195, 32758390, 65516780]

約数ペア:

[(1, 65516780), (2, 32758390), (4, 16379195), (5, 13103356), (7, 9359540), (10, 6551678), (14, 4679770), (20, 3275839), (28, 2339885), (35, 1871908), (70, 935954), (140, 467977)]