8780360

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{967}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 19863360

約数和(自身を除く): 11083000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 967, 1135, 1816, 1934, 2270, 3868, 4540, 4835, 7736, 9080, 9670, 19340, 38680, 219509, 439018, 878036, 1097545, 1756072, 2195090, 4390180, 8780360]

約数ペア:

[(1, 8780360), (2, 4390180), (4, 2195090), (5, 1756072), (8, 1097545), (10, 878036), (20, 439018), (40, 219509), (227, 38680), (454, 19340), (908, 9670), (967, 9080), (1135, 7736), (1816, 4835), (1934, 4540), (2270, 3868)]