80145340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 196245504

約数和(自身を除く): 116100164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 47, 55, 92, 94, 110, 115, 188, 220, 230, 235, 253, 337, 460, 470, 506, 517, 674, 940, 1012, 1034, 1081, 1265, 1348, 1685, 2068, 2162, 2530, 2585, 3370, 3707, 4324, 5060, 5170, 5405, 6740, 7414, 7751, 10340, 10810, 11891, 14828, 15502, 15839, 18535, 21620, 23782, 31004, 31678, 37070, 38755, 47564, 59455, 63356, 74140, 77510, 79195, 85261, 118910, 155020, 158390, 170522, 174229, 237820, 316780, 341044, 348458, 364297, 426305, 696916, 728594, 852610, 871145, 1457188, 1705220, 1742290, 1821485, 3484580, 3642970, 4007267, 7285940, 8014534, 16029068, 20036335, 40072670, 80145340]

約数ペア:

[(1, 80145340), (2, 40072670), (4, 20036335), (5, 16029068), (10, 8014534), (11, 7285940), (20, 4007267), (22, 3642970), (23, 3484580), (44, 1821485), (46, 1742290), (47, 1705220), (55, 1457188), (92, 871145), (94, 852610), (110, 728594), (115, 696916), (188, 426305), (220, 364297), (230, 348458), (235, 341044), (253, 316780), (337, 237820), (460, 174229), (470, 170522), (506, 158390), (517, 155020), (674, 118910), (940, 85261), (1012, 79195), (1034, 77510), (1081, 74140), (1265, 63356), (1348, 59455), (1685, 47564), (2068, 38755), (2162, 37070), (2530, 31678), (2585, 31004), (3370, 23782), (3707, 21620), (4324, 18535), (5060, 15839), (5170, 15502), (5405, 14828), (6740, 11891), (7414, 10810), (7751, 10340)]