641775920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{5087}}^1$

素因数の和:5202

約数の個数: 80

約数和(自身を含む): 1589898240

約数和(自身を除く): 948122320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 83, 95, 152, 166, 190, 304, 332, 380, 415, 664, 760, 830, 1328, 1520, 1577, 1660, 3154, 3320, 5087, 6308, 6640, 7885, 10174, 12616, 15770, 20348, 25232, 25435, 31540, 40696, 50870, 63080, 81392, 96653, 101740, 126160, 193306, 203480, 386612, 406960, 422221, 483265, 773224, 844442, 966530, 1546448, 1688884, 1933060, 2111105, 3377768, 3866120, 4222210, 6755536, 7732240, 8022199, 8444420, 16044398, 16888840, 32088796, 33777680, 40110995, 64177592, 80221990, 128355184, 160443980, 320887960, 641775920]

約数ペア:

[(1, 641775920), (2, 320887960), (4, 160443980), (5, 128355184), (8, 80221990), (10, 64177592), (16, 40110995), (19, 33777680), (20, 32088796), (38, 16888840), (40, 16044398), (76, 8444420), (80, 8022199), (83, 7732240), (95, 6755536), (152, 4222210), (166, 3866120), (190, 3377768), (304, 2111105), (332, 1933060), (380, 1688884), (415, 1546448), (664, 966530), (760, 844442), (830, 773224), (1328, 483265), (1520, 422221), (1577, 406960), (1660, 386612), (3154, 203480), (3320, 193306), (5087, 126160), (6308, 101740), (6640, 96653), (7885, 81392), (10174, 63080), (12616, 50870), (15770, 40696), (20348, 31540), (25232, 25435)]