40338320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2040

約数の個数: 80

約数和(自身を含む): 106814592

約数和(自身を除く): 66476272

約数列:

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

約数ペア:

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