72807080

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{17011}}^1$

素因数の和:17129

約数の個数: 32

約数和(自身を含む): 165356640

約数和(自身を除く): 92549560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 17011, 34022, 68044, 85055, 136088, 170110, 340220, 680440, 1820177, 3640354, 7280708, 9100885, 14561416, 18201770, 36403540, 72807080]

約数ペア:

[(1, 72807080), (2, 36403540), (4, 18201770), (5, 14561416), (8, 9100885), (10, 7280708), (20, 3640354), (40, 1820177), (107, 680440), (214, 340220), (428, 170110), (535, 136088), (856, 85055), (1070, 68044), (2140, 34022), (4280, 17011)]