18565500125

素因数分解:

$5^3\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{12739}}^1$

素因数の和:12974

約数の個数: 32

約数和(自身を含む): 23610787200

約数和(自身を除く): 5045287075

約数列:

[1, 5, 25, 89, 125, 131, 445, 655, 2225, 3275, 11125, 11659, 12739, 16375, 58295, 63695, 291475, 318475, 1133771, 1457375, 1592375, 1668809, 5668855, 8344045, 28344275, 41720225, 141721375, 148524001, 208601125, 742620005, 3713100025, 18565500125]

約数ペア:

[(1, 18565500125), (5, 3713100025), (25, 742620005), (89, 208601125), (125, 148524001), (131, 141721375), (445, 41720225), (655, 28344275), (2225, 8344045), (3275, 5668855), (11125, 1668809), (11659, 1592375), (12739, 1457375), (16375, 1133771), (58295, 318475), (63695, 291475)]