20160459640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^2\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:777

約数の個数: 96

約数和(自身を含む): 46292904000

約数和(自身を除く): 26132444360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 271, 292, 349, 365, 542, 584, 698, 730, 1084, 1355, 1396, 1460, 1745, 2168, 2710, 2792, 2920, 3490, 5329, 5420, 6980, 10658, 10840, 13960, 19783, 21316, 25477, 26645, 39566, 42632, 50954, 53290, 79132, 94579, 98915, 101908, 106580, 127385, 158264, 189158, 197830, 203816, 213160, 254770, 378316, 395660, 472895, 509540, 756632, 791320, 945790, 1019080, 1444159, 1859821, 1891580, 2888318, 3719642, 3783160, 5776636, 6904267, 7220795, 7439284, 9299105, 11553272, 13808534, 14441590, 14878568, 18598210, 27617068, 28883180, 34521335, 37196420, 55234136, 57766360, 69042670, 74392840, 138085340, 276170680, 504011491, 1008022982, 2016045964, 2520057455, 4032091928, 5040114910, 10080229820, 20160459640]

約数ペア:

[(1, 20160459640), (2, 10080229820), (4, 5040114910), (5, 4032091928), (8, 2520057455), (10, 2016045964), (20, 1008022982), (40, 504011491), (73, 276170680), (146, 138085340), (271, 74392840), (292, 69042670), (349, 57766360), (365, 55234136), (542, 37196420), (584, 34521335), (698, 28883180), (730, 27617068), (1084, 18598210), (1355, 14878568), (1396, 14441590), (1460, 13808534), (1745, 11553272), (2168, 9299105), (2710, 7439284), (2792, 7220795), (2920, 6904267), (3490, 5776636), (5329, 3783160), (5420, 3719642), (6980, 2888318), (10658, 1891580), (10840, 1859821), (13960, 1444159), (19783, 1019080), (21316, 945790), (25477, 791320), (26645, 756632), (39566, 509540), (42632, 472895), (50954, 395660), (53290, 378316), (79132, 254770), (94579, 213160), (98915, 203816), (101908, 197830), (106580, 189158), (127385, 158264)]