13449640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 31752000

約数和(自身を除く): 18302360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 59, 82, 118, 139, 164, 205, 236, 278, 295, 328, 410, 472, 556, 590, 695, 820, 1112, 1180, 1390, 1640, 2360, 2419, 2780, 4838, 5560, 5699, 8201, 9676, 11398, 12095, 16402, 19352, 22796, 24190, 28495, 32804, 41005, 45592, 48380, 56990, 65608, 82010, 96760, 113980, 164020, 227960, 328040, 336241, 672482, 1344964, 1681205, 2689928, 3362410, 6724820, 13449640]

約数ペア:

[(1, 13449640), (2, 6724820), (4, 3362410), (5, 2689928), (8, 1681205), (10, 1344964), (20, 672482), (40, 336241), (41, 328040), (59, 227960), (82, 164020), (118, 113980), (139, 96760), (164, 82010), (205, 65608), (236, 56990), (278, 48380), (295, 45592), (328, 41005), (410, 32804), (472, 28495), (556, 24190), (590, 22796), (695, 19352), (820, 16402), (1112, 12095), (1180, 11398), (1390, 9676), (1640, 8201), (2360, 5699), (2419, 5560), (2780, 4838)]