40380080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1014

約数の個数: 80

約数和(自身を含む): 103680864

約数和(自身を除く): 63300784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 947, 1040, 1066, 1640, 1894, 2132, 2665, 3280, 3788, 4264, 4735, 5330, 7576, 8528, 9470, 10660, 12311, 15152, 18940, 21320, 24622, 37880, 38827, 42640, 49244, 61555, 75760, 77654, 98488, 123110, 155308, 194135, 196976, 246220, 310616, 388270, 492440, 504751, 621232, 776540, 984880, 1009502, 1553080, 2019004, 2523755, 3106160, 4038008, 5047510, 8076016, 10095020, 20190040, 40380080]

約数ペア:

[(1, 40380080), (2, 20190040), (4, 10095020), (5, 8076016), (8, 5047510), (10, 4038008), (13, 3106160), (16, 2523755), (20, 2019004), (26, 1553080), (40, 1009502), (41, 984880), (52, 776540), (65, 621232), (80, 504751), (82, 492440), (104, 388270), (130, 310616), (164, 246220), (205, 196976), (208, 194135), (260, 155308), (328, 123110), (410, 98488), (520, 77654), (533, 75760), (656, 61555), (820, 49244), (947, 42640), (1040, 38827), (1066, 37880), (1640, 24622), (1894, 21320), (2132, 18940), (2665, 15152), (3280, 12311), (3788, 10660), (4264, 9470), (4735, 8528), (5330, 7576)]