31218520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41077}}^1$

素因数の和:41107

約数の個数: 32

約数和(自身を含む): 73940400

約数和(自身を除く): 42721880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 41077, 82154, 164308, 205385, 328616, 410770, 780463, 821540, 1560926, 1643080, 3121852, 3902315, 6243704, 7804630, 15609260, 31218520]

約数ペア:

[(1, 31218520), (2, 15609260), (4, 7804630), (5, 6243704), (8, 3902315), (10, 3121852), (19, 1643080), (20, 1560926), (38, 821540), (40, 780463), (76, 410770), (95, 328616), (152, 205385), (190, 164308), (380, 82154), (760, 41077)]