201211760

素因数分解:

$2^4\times 5^1\times {\mathrm{2515147}}^1$

素因数の和:2515160

約数の個数: 20

約数和(自身を含む): 467817528

約数和(自身を除く): 266605768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2515147, 5030294, 10060588, 12575735, 20121176, 25151470, 40242352, 50302940, 100605880, 201211760]

約数ペア:

[(1, 201211760), (2, 100605880), (4, 50302940), (5, 40242352), (8, 25151470), (10, 20121176), (16, 12575735), (20, 10060588), (40, 5030294), (80, 2515147)]