160830800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:385

約数の個数: 120

約数和(自身を含む): 420894936

約数和(自身を除く): 260064136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 157, 197, 200, 208, 260, 314, 325, 394, 400, 520, 628, 650, 785, 788, 985, 1040, 1256, 1300, 1570, 1576, 1970, 2041, 2512, 2561, 2600, 3140, 3152, 3925, 3940, 4082, 4925, 5122, 5200, 6280, 7850, 7880, 8164, 9850, 10205, 10244, 12560, 12805, 15700, 15760, 16328, 19700, 20410, 20488, 25610, 30929, 31400, 32656, 39400, 40820, 40976, 51025, 51220, 61858, 62800, 64025, 78800, 81640, 102050, 102440, 123716, 128050, 154645, 163280, 204100, 204880, 247432, 256100, 309290, 402077, 408200, 494864, 512200, 618580, 773225, 804154, 816400, 1024400, 1237160, 1546450, 1608308, 2010385, 2474320, 3092900, 3216616, 4020770, 6185800, 6433232, 8041540, 10051925, 12371600, 16083080, 20103850, 32166160, 40207700, 80415400, 160830800]

約数ペア:

[(1, 160830800), (2, 80415400), (4, 40207700), (5, 32166160), (8, 20103850), (10, 16083080), (13, 12371600), (16, 10051925), (20, 8041540), (25, 6433232), (26, 6185800), (40, 4020770), (50, 3216616), (52, 3092900), (65, 2474320), (80, 2010385), (100, 1608308), (104, 1546450), (130, 1237160), (157, 1024400), (197, 816400), (200, 804154), (208, 773225), (260, 618580), (314, 512200), (325, 494864), (394, 408200), (400, 402077), (520, 309290), (628, 256100), (650, 247432), (785, 204880), (788, 204100), (985, 163280), (1040, 154645), (1256, 128050), (1300, 123716), (1570, 102440), (1576, 102050), (1970, 81640), (2041, 78800), (2512, 64025), (2561, 62800), (2600, 61858), (3140, 51220), (3152, 51025), (3925, 40976), (3940, 40820), (4082, 39400), (4925, 32656), (5122, 31400), (5200, 30929), (6280, 25610), (7850, 20488), (7880, 20410), (8164, 19700), (9850, 16328), (10205, 15760), (10244, 15700), (12560, 12805)]