47138320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 114314112

約数和(自身を除く): 67175792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 71, 80, 86, 142, 172, 193, 215, 284, 344, 355, 386, 430, 568, 688, 710, 772, 860, 965, 1136, 1420, 1544, 1720, 1930, 2840, 3053, 3088, 3440, 3860, 5680, 6106, 7720, 8299, 12212, 13703, 15265, 15440, 16598, 24424, 27406, 30530, 33196, 41495, 48848, 54812, 61060, 66392, 68515, 82990, 109624, 122120, 132784, 137030, 165980, 219248, 244240, 274060, 331960, 548120, 589229, 663920, 1096240, 1178458, 2356916, 2946145, 4713832, 5892290, 9427664, 11784580, 23569160, 47138320]

約数ペア:

[(1, 47138320), (2, 23569160), (4, 11784580), (5, 9427664), (8, 5892290), (10, 4713832), (16, 2946145), (20, 2356916), (40, 1178458), (43, 1096240), (71, 663920), (80, 589229), (86, 548120), (142, 331960), (172, 274060), (193, 244240), (215, 219248), (284, 165980), (344, 137030), (355, 132784), (386, 122120), (430, 109624), (568, 82990), (688, 68515), (710, 66392), (772, 61060), (860, 54812), (965, 48848), (1136, 41495), (1420, 33196), (1544, 30530), (1720, 27406), (1930, 24424), (2840, 16598), (3053, 15440), (3088, 15265), (3440, 13703), (3860, 12212), (5680, 8299), (6106, 7720)]