65469220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{283}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 141704640

約数和(自身を除く): 76235420

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 269, 283, 430, 538, 566, 860, 1076, 1132, 1345, 1415, 2690, 2830, 5380, 5660, 11567, 12169, 23134, 24338, 46268, 48676, 57835, 60845, 76127, 115670, 121690, 152254, 231340, 243380, 304508, 380635, 761270, 1522540, 3273461, 6546922, 13093844, 16367305, 32734610, 65469220]

約数ペア:

[(1, 65469220), (2, 32734610), (4, 16367305), (5, 13093844), (10, 6546922), (20, 3273461), (43, 1522540), (86, 761270), (172, 380635), (215, 304508), (269, 243380), (283, 231340), (430, 152254), (538, 121690), (566, 115670), (860, 76127), (1076, 60845), (1132, 57835), (1345, 48676), (1415, 46268), (2690, 24338), (2830, 23134), (5380, 12169), (5660, 11567)]