50000080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 126491904

約数和(自身を除く): 76491824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 260, 262, 367, 520, 524, 655, 734, 1040, 1048, 1310, 1468, 1703, 1835, 2096, 2620, 2936, 3406, 3670, 4771, 5240, 5872, 6812, 7340, 8515, 9542, 10480, 13624, 14680, 17030, 19084, 23855, 27248, 29360, 34060, 38168, 47710, 48077, 68120, 76336, 95420, 96154, 136240, 190840, 192308, 240385, 381680, 384616, 480770, 625001, 769232, 961540, 1250002, 1923080, 2500004, 3125005, 3846160, 5000008, 6250010, 10000016, 12500020, 25000040, 50000080]

約数ペア:

[(1, 50000080), (2, 25000040), (4, 12500020), (5, 10000016), (8, 6250010), (10, 5000008), (13, 3846160), (16, 3125005), (20, 2500004), (26, 1923080), (40, 1250002), (52, 961540), (65, 769232), (80, 625001), (104, 480770), (130, 384616), (131, 381680), (208, 240385), (260, 192308), (262, 190840), (367, 136240), (520, 96154), (524, 95420), (655, 76336), (734, 68120), (1040, 48077), (1048, 47710), (1310, 38168), (1468, 34060), (1703, 29360), (1835, 27248), (2096, 23855), (2620, 19084), (2936, 17030), (3406, 14680), (3670, 13624), (4771, 10480), (5240, 9542), (5872, 8515), (6812, 7340)]