2018082625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 2879735040

約数和(自身を除く): 861652415

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 163, 247, 325, 401, 475, 815, 1235, 1625, 2005, 2119, 2375, 3097, 4075, 5213, 6175, 7619, 10025, 10595, 15485, 20375, 26065, 30875, 38095, 40261, 50125, 52975, 65363, 77425, 99047, 130325, 190475, 201305, 264875, 326815, 387125, 495235, 651625, 849719, 952375, 1006525, 1241897, 1634075, 2476175, 4248595, 5032625, 6209485, 8170375, 12380875, 16144661, 21242975, 31047425, 80723305, 106214875, 155237125, 403616525, 2018082625]

約数ペア:

[(1, 2018082625), (5, 403616525), (13, 155237125), (19, 106214875), (25, 80723305), (65, 31047425), (95, 21242975), (125, 16144661), (163, 12380875), (247, 8170375), (325, 6209485), (401, 5032625), (475, 4248595), (815, 2476175), (1235, 1634075), (1625, 1241897), (2005, 1006525), (2119, 952375), (2375, 849719), (3097, 651625), (4075, 495235), (5213, 387125), (6175, 326815), (7619, 264875), (10025, 201305), (10595, 190475), (15485, 130325), (20375, 99047), (26065, 77425), (30875, 65363), (38095, 52975), (40261, 50125)]