1988540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5233}}^1$

素因数の和:5261

約数の個数: 24

約数和(自身を含む): 4396560

約数和(自身を除く): 2408020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5233, 10466, 20932, 26165, 52330, 99427, 104660, 198854, 397708, 497135, 994270, 1988540]

約数ペア:

[(1, 1988540), (2, 994270), (4, 497135), (5, 397708), (10, 198854), (19, 104660), (20, 99427), (38, 52330), (76, 26165), (95, 20932), (190, 10466), (380, 5233)]