30520780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89767}}^1$

素因数の和:89793

約数の個数: 24

約数和(自身を含む): 67864608

約数和(自身を除く): 37343828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 89767, 179534, 359068, 448835, 897670, 1526039, 1795340, 3052078, 6104156, 7630195, 15260390, 30520780]

約数ペア:

[(1, 30520780), (2, 15260390), (4, 7630195), (5, 6104156), (10, 3052078), (17, 1795340), (20, 1526039), (34, 897670), (68, 448835), (85, 359068), (170, 179534), (340, 89767)]