80339920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1012

約数の個数: 80

約数和(自身を含む): 199272960

約数和(自身を除く): 118933040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 230, 235, 368, 376, 460, 470, 752, 920, 929, 940, 1081, 1840, 1858, 1880, 2162, 3716, 3760, 4324, 4645, 5405, 7432, 8648, 9290, 10810, 14864, 17296, 18580, 21367, 21620, 37160, 42734, 43240, 43663, 74320, 85468, 86480, 87326, 106835, 170936, 174652, 213670, 218315, 341872, 349304, 427340, 436630, 698608, 854680, 873260, 1004249, 1709360, 1746520, 2008498, 3493040, 4016996, 5021245, 8033992, 10042490, 16067984, 20084980, 40169960, 80339920]

約数ペア:

[(1, 80339920), (2, 40169960), (4, 20084980), (5, 16067984), (8, 10042490), (10, 8033992), (16, 5021245), (20, 4016996), (23, 3493040), (40, 2008498), (46, 1746520), (47, 1709360), (80, 1004249), (92, 873260), (94, 854680), (115, 698608), (184, 436630), (188, 427340), (230, 349304), (235, 341872), (368, 218315), (376, 213670), (460, 174652), (470, 170936), (752, 106835), (920, 87326), (929, 86480), (940, 85468), (1081, 74320), (1840, 43663), (1858, 43240), (1880, 42734), (2162, 37160), (3716, 21620), (3760, 21367), (4324, 18580), (4645, 17296), (5405, 14864), (7432, 10810), (8648, 9290)]