27626020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 61892208

約数和(自身を除く): 34266188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 340, 386, 421, 772, 842, 965, 1684, 1930, 2105, 3281, 3860, 4210, 6562, 7157, 8420, 13124, 14314, 16405, 28628, 32810, 35785, 65620, 71570, 81253, 143140, 162506, 325012, 406265, 812530, 1381301, 1625060, 2762602, 5525204, 6906505, 13813010, 27626020]

約数ペア:

[(1, 27626020), (2, 13813010), (4, 6906505), (5, 5525204), (10, 2762602), (17, 1625060), (20, 1381301), (34, 812530), (68, 406265), (85, 325012), (170, 162506), (193, 143140), (340, 81253), (386, 71570), (421, 65620), (772, 35785), (842, 32810), (965, 28628), (1684, 16405), (1930, 14314), (2105, 13124), (3281, 8420), (3860, 7157), (4210, 6562)]