20080972400

素因数分解:

$2^4\times 5^2\times {\mathrm{1213}}^1\times {\mathrm{41387}}^1$

素因数の和:42618

約数の個数: 60

約数和(自身を含む): 48285475752

約数和(自身を除く): 28204503352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1213, 2426, 4852, 6065, 9704, 12130, 19408, 24260, 30325, 41387, 48520, 60650, 82774, 97040, 121300, 165548, 206935, 242600, 331096, 413870, 485200, 662192, 827740, 1034675, 1655480, 2069350, 3310960, 4138700, 8277400, 16554800, 50202431, 100404862, 200809724, 251012155, 401619448, 502024310, 803238896, 1004048620, 1255060775, 2008097240, 2510121550, 4016194480, 5020243100, 10040486200, 20080972400]

約数ペア:

[(1, 20080972400), (2, 10040486200), (4, 5020243100), (5, 4016194480), (8, 2510121550), (10, 2008097240), (16, 1255060775), (20, 1004048620), (25, 803238896), (40, 502024310), (50, 401619448), (80, 251012155), (100, 200809724), (200, 100404862), (400, 50202431), (1213, 16554800), (2426, 8277400), (4852, 4138700), (6065, 3310960), (9704, 2069350), (12130, 1655480), (19408, 1034675), (24260, 827740), (30325, 662192), (41387, 485200), (48520, 413870), (60650, 331096), (82774, 242600), (97040, 206935), (121300, 165548)]