8690980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22871}}^1$

素因数の和:22899

約数の個数: 24

約数和(自身を含む): 19212480

約数和(自身を除く): 10521500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 22871, 45742, 91484, 114355, 228710, 434549, 457420, 869098, 1738196, 2172745, 4345490, 8690980]

約数ペア:

[(1, 8690980), (2, 4345490), (4, 2172745), (5, 1738196), (10, 869098), (19, 457420), (20, 434549), (38, 228710), (76, 114355), (95, 91484), (190, 45742), (380, 22871)]