80676640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2042

約数の個数: 96

約数和(自身を含む): 217074816

約数和(自身を除く): 136398176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 352, 368, 440, 460, 506, 736, 880, 920, 1012, 1265, 1760, 1840, 1993, 2024, 2530, 3680, 3986, 4048, 5060, 7972, 8096, 9965, 10120, 15944, 19930, 20240, 21923, 31888, 39860, 40480, 43846, 45839, 63776, 79720, 87692, 91678, 109615, 159440, 175384, 183356, 219230, 229195, 318880, 350768, 366712, 438460, 458390, 504229, 701536, 733424, 876920, 916780, 1008458, 1466848, 1753840, 1833560, 2016916, 2521145, 3507680, 3667120, 4033832, 5042290, 7334240, 8067664, 10084580, 16135328, 20169160, 40338320, 80676640]

約数ペア:

[(1, 80676640), (2, 40338320), (4, 20169160), (5, 16135328), (8, 10084580), (10, 8067664), (11, 7334240), (16, 5042290), (20, 4033832), (22, 3667120), (23, 3507680), (32, 2521145), (40, 2016916), (44, 1833560), (46, 1753840), (55, 1466848), (80, 1008458), (88, 916780), (92, 876920), (110, 733424), (115, 701536), (160, 504229), (176, 458390), (184, 438460), (220, 366712), (230, 350768), (253, 318880), (352, 229195), (368, 219230), (440, 183356), (460, 175384), (506, 159440), (736, 109615), (880, 91678), (920, 87692), (1012, 79720), (1265, 63776), (1760, 45839), (1840, 43846), (1993, 40480), (2024, 39860), (2530, 31888), (3680, 21923), (3986, 20240), (4048, 19930), (5060, 15944), (7972, 10120), (8096, 9965)]