650804960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{312887}}^1$

素因数の和:312915

約数の個数: 48

約数和(自身を含む): 1655803296

約数和(自身を除く): 1004998336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 312887, 625774, 1251548, 1564435, 2503096, 3128870, 4067531, 5006192, 6257740, 8135062, 10012384, 12515480, 16270124, 20337655, 25030960, 32540248, 40675310, 50061920, 65080496, 81350620, 130160992, 162701240, 325402480, 650804960]

約数ペア:

[(1, 650804960), (2, 325402480), (4, 162701240), (5, 130160992), (8, 81350620), (10, 65080496), (13, 50061920), (16, 40675310), (20, 32540248), (26, 25030960), (32, 20337655), (40, 16270124), (52, 12515480), (65, 10012384), (80, 8135062), (104, 6257740), (130, 5006192), (160, 4067531), (208, 3128870), (260, 2503096), (416, 1564435), (520, 1251548), (1040, 625774), (2080, 312887)]