201216560

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{16657}}^1$

素因数の和:16821

約数の個数: 40

約数和(自身を含む): 470954976

約数和(自身を除く): 269738416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 16657, 33314, 66628, 83285, 133256, 166570, 266512, 333140, 666280, 1332560, 2515207, 5030414, 10060828, 12576035, 20121656, 25152070, 40243312, 50304140, 100608280, 201216560]

約数ペア:

[(1, 201216560), (2, 100608280), (4, 50304140), (5, 40243312), (8, 25152070), (10, 20121656), (16, 12576035), (20, 10060828), (40, 5030414), (80, 2515207), (151, 1332560), (302, 666280), (604, 333140), (755, 266512), (1208, 166570), (1510, 133256), (2416, 83285), (3020, 66628), (6040, 33314), (12080, 16657)]