156857480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{301649}}^1$

素因数の和:301673

約数の個数: 32

約数和(自身を含む): 380079000

約数和(自身を除く): 223221520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 301649, 603298, 1206596, 1508245, 2413192, 3016490, 3921437, 6032980, 7842874, 12065960, 15685748, 19607185, 31371496, 39214370, 78428740, 156857480]

約数ペア:

[(1, 156857480), (2, 78428740), (4, 39214370), (5, 31371496), (8, 19607185), (10, 15685748), (13, 12065960), (20, 7842874), (26, 6032980), (40, 3921437), (52, 3016490), (65, 2413192), (104, 1508245), (130, 1206596), (260, 603298), (520, 301649)]