20178151025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{40423}}^1$

素因数の和:40961

約数の個数: 24

約数和(自身を含む): 25684439424

約数和(自身を除く): 5506288399

約数列:

[1, 5, 25, 41, 205, 487, 1025, 2435, 12175, 19967, 40423, 99835, 202115, 499175, 1010575, 1657343, 8286715, 19686001, 41433575, 98430005, 492150025, 807126041, 4035630205, 20178151025]

約数ペア:

[(1, 20178151025), (5, 4035630205), (25, 807126041), (41, 492150025), (205, 98430005), (487, 41433575), (1025, 19686001), (2435, 8286715), (12175, 1657343), (19967, 1010575), (40423, 499175), (99835, 202115)]