201219730640

素因数分解:

$2^4\times 5^1\times {\mathrm{2515246633}}^1$

素因数の和:2515246646

約数の個数: 20

約数和(自身を含む): 467835873924

約数和(自身を除く): 266616143284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2515246633, 5030493266, 10060986532, 12576233165, 20121973064, 25152466330, 40243946128, 50304932660, 100609865320, 201219730640]

約数ペア:

[(1, 201219730640), (2, 100609865320), (4, 50304932660), (5, 40243946128), (8, 25152466330), (10, 20121973064), (16, 12576233165), (20, 10060986532), (40, 5030493266), (80, 2515246633)]