15999700

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{829}}^1$

素因数の和:1036

約数の個数: 36

約数和(自身を含む): 34941340

約数和(自身を除く): 18941640

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 829, 965, 1658, 1930, 3316, 3860, 4145, 4825, 8290, 9650, 16580, 19300, 20725, 41450, 82900, 159997, 319994, 639988, 799985, 1599970, 3199940, 3999925, 7999850, 15999700]

約数ペア:

[(1, 15999700), (2, 7999850), (4, 3999925), (5, 3199940), (10, 1599970), (20, 799985), (25, 639988), (50, 319994), (100, 159997), (193, 82900), (386, 41450), (772, 20725), (829, 19300), (965, 16580), (1658, 9650), (1930, 8290), (3316, 4825), (3860, 4145)]