65500020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{363889}}^1$

素因数の和:363904

約数の個数: 36

約数和(自身を含む): 198683940

約数和(自身を除く): 133183920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 363889, 727778, 1091667, 1455556, 1819445, 2183334, 3275001, 3638890, 4366668, 5458335, 6550002, 7277780, 10916670, 13100004, 16375005, 21833340, 32750010, 65500020]

約数ペア:

[(1, 65500020), (2, 32750010), (3, 21833340), (4, 16375005), (5, 13100004), (6, 10916670), (9, 7277780), (10, 6550002), (12, 5458335), (15, 4366668), (18, 3638890), (20, 3275001), (30, 2183334), (36, 1819445), (45, 1455556), (60, 1091667), (90, 727778), (180, 363889)]