136321880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109937}}^1$

素因数の和:109979

約数の個数: 32

約数和(自身を含む): 316621440

約数和(自身を除く): 180299560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 109937, 219874, 439748, 549685, 879496, 1099370, 2198740, 3408047, 4397480, 6816094, 13632188, 17040235, 27264376, 34080470, 68160940, 136321880]

約数ペア:

[(1, 136321880), (2, 68160940), (4, 34080470), (5, 27264376), (8, 17040235), (10, 13632188), (20, 6816094), (31, 4397480), (40, 3408047), (62, 2198740), (124, 1099370), (155, 879496), (248, 549685), (310, 439748), (620, 219874), (1240, 109937)]