15613040

素因数分解:

$2^4\times 5^1\times {\mathrm{195163}}^1$

素因数の和:195176

約数の個数: 20

約数和(自身を含む): 36300504

約数和(自身を除く): 20687464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195163, 390326, 780652, 975815, 1561304, 1951630, 3122608, 3903260, 7806520, 15613040]

約数ペア:

[(1, 15613040), (2, 7806520), (4, 3903260), (5, 3122608), (8, 1951630), (10, 1561304), (16, 975815), (20, 780652), (40, 390326), (80, 195163)]