30973520

素因数分解:

$2^4\times 5^1\times {\mathrm{387169}}^1$

素因数の和:387182

約数の個数: 20

約数和(自身を含む): 72013620

約数和(自身を除く): 41040100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 387169, 774338, 1548676, 1935845, 3097352, 3871690, 6194704, 7743380, 15486760, 30973520]

約数ペア:

[(1, 30973520), (2, 15486760), (4, 7743380), (5, 6194704), (8, 3871690), (10, 3097352), (16, 1935845), (20, 1548676), (40, 774338), (80, 387169)]