201219080

素因数分解:

$2^3\times 5^1\times {\mathrm{5030477}}^1$

素因数の和:5030488

約数の個数: 16

約数和(自身を含む): 452743020

約数和(自身を除く): 251523940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5030477, 10060954, 20121908, 25152385, 40243816, 50304770, 100609540, 201219080]

約数ペア:

[(1, 201219080), (2, 100609540), (4, 50304770), (5, 40243816), (8, 25152385), (10, 20121908), (20, 10060954), (40, 5030477)]