65395640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 151826400

約数和(自身を除く): 86430760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 212, 218, 265, 283, 424, 436, 530, 545, 566, 872, 1060, 1090, 1132, 1415, 2120, 2180, 2264, 2830, 4360, 5660, 5777, 11320, 11554, 14999, 23108, 28885, 29998, 30847, 46216, 57770, 59996, 61694, 74995, 115540, 119992, 123388, 149990, 154235, 231080, 246776, 299980, 308470, 599960, 616940, 1233880, 1634891, 3269782, 6539564, 8174455, 13079128, 16348910, 32697820, 65395640]

約数ペア:

[(1, 65395640), (2, 32697820), (4, 16348910), (5, 13079128), (8, 8174455), (10, 6539564), (20, 3269782), (40, 1634891), (53, 1233880), (106, 616940), (109, 599960), (212, 308470), (218, 299980), (265, 246776), (283, 231080), (424, 154235), (436, 149990), (530, 123388), (545, 119992), (566, 115540), (872, 74995), (1060, 61694), (1090, 59996), (1132, 57770), (1415, 46216), (2120, 30847), (2180, 29998), (2264, 28885), (2830, 23108), (4360, 14999), (5660, 11554), (5777, 11320)]