8424980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22171}}^1$

素因数の和:22199

約数の個数: 24

約数和(自身を含む): 18624480

約数和(自身を除く): 10199500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 22171, 44342, 88684, 110855, 221710, 421249, 443420, 842498, 1684996, 2106245, 4212490, 8424980]

約数ペア:

[(1, 8424980), (2, 4212490), (4, 2106245), (5, 1684996), (10, 842498), (19, 443420), (20, 421249), (38, 221710), (76, 110855), (95, 88684), (190, 44342), (380, 22171)]