2051220970520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{507727963}}^1$

素因数の和:507728075

約数の個数: 32

約数和(自身を含む): 4660942709520

約数和(自身を除く): 2609721739000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 507727963, 1015455926, 2030911852, 2538639815, 4061823704, 5077279630, 10154559260, 20309118520, 51280524263, 102561048526, 205122097052, 256402621315, 410244194104, 512805242630, 1025610485260, 2051220970520]

約数ペア:

[(1, 2051220970520), (2, 1025610485260), (4, 512805242630), (5, 410244194104), (8, 256402621315), (10, 205122097052), (20, 102561048526), (40, 51280524263), (101, 20309118520), (202, 10154559260), (404, 5077279630), (505, 4061823704), (808, 2538639815), (1010, 2030911852), (2020, 1015455926), (4040, 507727963)]