200605040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{487}}^1$

素因数の和:790

約数の個数: 80

約数和(自身を含む): 493777920

約数和(自身を除く): 293172880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 271, 304, 380, 487, 542, 760, 974, 1084, 1355, 1520, 1948, 2168, 2435, 2710, 3896, 4336, 4870, 5149, 5420, 7792, 9253, 9740, 10298, 10840, 18506, 19480, 20596, 21680, 25745, 37012, 38960, 41192, 46265, 51490, 74024, 82384, 92530, 102980, 131977, 148048, 185060, 205960, 263954, 370120, 411920, 527908, 659885, 740240, 1055816, 1319770, 2111632, 2507563, 2639540, 5015126, 5279080, 10030252, 10558160, 12537815, 20060504, 25075630, 40121008, 50151260, 100302520, 200605040]

約数ペア:

[(1, 200605040), (2, 100302520), (4, 50151260), (5, 40121008), (8, 25075630), (10, 20060504), (16, 12537815), (19, 10558160), (20, 10030252), (38, 5279080), (40, 5015126), (76, 2639540), (80, 2507563), (95, 2111632), (152, 1319770), (190, 1055816), (271, 740240), (304, 659885), (380, 527908), (487, 411920), (542, 370120), (760, 263954), (974, 205960), (1084, 185060), (1355, 148048), (1520, 131977), (1948, 102980), (2168, 92530), (2435, 82384), (2710, 74024), (3896, 51490), (4336, 46265), (4870, 41192), (5149, 38960), (5420, 37012), (7792, 25745), (9253, 21680), (9740, 20596), (10298, 19480), (10840, 18506)]