8651960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2963}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 19740240

約数和(自身を除く): 11088280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 2963, 5926, 11852, 14815, 23704, 29630, 59260, 118520, 216299, 432598, 865196, 1081495, 1730392, 2162990, 4325980, 8651960]

約数ペア:

[(1, 8651960), (2, 4325980), (4, 2162990), (5, 1730392), (8, 1081495), (10, 865196), (20, 432598), (40, 216299), (73, 118520), (146, 59260), (292, 29630), (365, 23704), (584, 14815), (730, 11852), (1460, 5926), (2920, 2963)]