201219948880

素因数分解:

$2^4\times 5^1\times {\mathrm{2515249361}}^1$

素因数の和:2515249374

約数の個数: 20

約数和(自身を含む): 467836381332

約数和(自身を除く): 266616432452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2515249361, 5030498722, 10060997444, 12576246805, 20121994888, 25152493610, 40243989776, 50304987220, 100609974440, 201219948880]

約数ペア:

[(1, 201219948880), (2, 100609974440), (4, 50304987220), (5, 40243989776), (8, 25152493610), (10, 20121994888), (16, 12576246805), (20, 10060997444), (40, 5030498722), (80, 2515249361)]