90703120

素因数分解:

$2^4\times 5^1\times {\mathrm{1133789}}^1$

素因数の和:1133802

約数の個数: 20

約数和(自身を含む): 210884940

約数和(自身を除く): 120181820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1133789, 2267578, 4535156, 5668945, 9070312, 11337890, 18140624, 22675780, 45351560, 90703120]

約数ペア:

[(1, 90703120), (2, 45351560), (4, 22675780), (5, 18140624), (8, 11337890), (10, 9070312), (16, 5668945), (20, 4535156), (40, 2267578), (80, 1133789)]