158063120

素因数分解:

$2^4\times 5^1\times {\mathrm{1975789}}^1$

素因数の和:1975802

約数の個数: 20

約数和(自身を含む): 367496940

約数和(自身を除く): 209433820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1975789, 3951578, 7903156, 9878945, 15806312, 19757890, 31612624, 39515780, 79031560, 158063120]

約数ペア:

[(1, 158063120), (2, 79031560), (4, 39515780), (5, 31612624), (8, 19757890), (10, 15806312), (16, 9878945), (20, 7903156), (40, 3951578), (80, 1975789)]