80390960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4547}}^1$

素因数の和:4590

約数の個数: 80

約数和(自身を含む): 213173856

約数和(自身を除く): 132782896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 4547, 8840, 9094, 17680, 18188, 22735, 36376, 45470, 59111, 72752, 77299, 90940, 118222, 154598, 181880, 236444, 295555, 309196, 363760, 386495, 472888, 591110, 618392, 772990, 945776, 1004887, 1182220, 1236784, 1545980, 2009774, 2364440, 3091960, 4019548, 4728880, 5024435, 6183920, 8039096, 10048870, 16078192, 20097740, 40195480, 80390960]

約数ペア:

[(1, 80390960), (2, 40195480), (4, 20097740), (5, 16078192), (8, 10048870), (10, 8039096), (13, 6183920), (16, 5024435), (17, 4728880), (20, 4019548), (26, 3091960), (34, 2364440), (40, 2009774), (52, 1545980), (65, 1236784), (68, 1182220), (80, 1004887), (85, 945776), (104, 772990), (130, 618392), (136, 591110), (170, 472888), (208, 386495), (221, 363760), (260, 309196), (272, 295555), (340, 236444), (442, 181880), (520, 154598), (680, 118222), (884, 90940), (1040, 77299), (1105, 72752), (1360, 59111), (1768, 45470), (2210, 36376), (3536, 22735), (4420, 18188), (4547, 17680), (8840, 9094)]