2019015440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{84407}}^1$

素因数の和:84456

約数の個数: 80

約数和(自身を含む): 5275162368

約数和(自身を除く): 3256146928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 11960, 23920, 84407, 168814, 337628, 422035, 675256, 844070, 1097291, 1350512, 1688140, 1941361, 2194582, 3376280, 3882722, 4389164, 5486455, 6752560, 7765444, 8778328, 9706805, 10972910, 15530888, 17556656, 19413610, 21945820, 25237693, 31061776, 38827220, 43891640, 50475386, 77654440, 87783280, 100950772, 126188465, 155308880, 201901544, 252376930, 403803088, 504753860, 1009507720, 2019015440]

約数ペア:

[(1, 2019015440), (2, 1009507720), (4, 504753860), (5, 403803088), (8, 252376930), (10, 201901544), (13, 155308880), (16, 126188465), (20, 100950772), (23, 87783280), (26, 77654440), (40, 50475386), (46, 43891640), (52, 38827220), (65, 31061776), (80, 25237693), (92, 21945820), (104, 19413610), (115, 17556656), (130, 15530888), (184, 10972910), (208, 9706805), (230, 8778328), (260, 7765444), (299, 6752560), (368, 5486455), (460, 4389164), (520, 3882722), (598, 3376280), (920, 2194582), (1040, 1941361), (1196, 1688140), (1495, 1350512), (1840, 1097291), (2392, 844070), (2990, 675256), (4784, 422035), (5980, 337628), (11960, 168814), (23920, 84407)]