201771760

素因数分解:

$2^4\times 5^1\times {\mathrm{2522147}}^1$

素因数の和:2522160

約数の個数: 20

約数和(自身を含む): 469119528

約数和(自身を除く): 267347768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2522147, 5044294, 10088588, 12610735, 20177176, 25221470, 40354352, 50442940, 100885880, 201771760]

約数ペア:

[(1, 201771760), (2, 100885880), (4, 50442940), (5, 40354352), (8, 25221470), (10, 20177176), (16, 12610735), (20, 10088588), (40, 5044294), (80, 2522147)]