82687420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{78007}}^1$

素因数の和:78069

約数の個数: 24

約数和(自身を含む): 176922144

約数和(自身を除く): 94234724

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 78007, 156014, 312028, 390035, 780070, 1560140, 4134371, 8268742, 16537484, 20671855, 41343710, 82687420]

約数ペア:

[(1, 82687420), (2, 41343710), (4, 20671855), (5, 16537484), (10, 8268742), (20, 4134371), (53, 1560140), (106, 780070), (212, 390035), (265, 312028), (530, 156014), (1060, 78007)]