27305000

素因数分解:

$2^3\times 5^4\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 65978880

約数和(自身を除く): 38673880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 127, 172, 200, 215, 250, 254, 344, 430, 500, 508, 625, 635, 860, 1000, 1016, 1075, 1250, 1270, 1720, 2150, 2500, 2540, 3175, 4300, 5000, 5080, 5375, 5461, 6350, 8600, 10750, 10922, 12700, 15875, 21500, 21844, 25400, 26875, 27305, 31750, 43000, 43688, 53750, 54610, 63500, 79375, 107500, 109220, 127000, 136525, 158750, 215000, 218440, 273050, 317500, 546100, 635000, 682625, 1092200, 1365250, 2730500, 3413125, 5461000, 6826250, 13652500, 27305000]

約数ペア:

[(1, 27305000), (2, 13652500), (4, 6826250), (5, 5461000), (8, 3413125), (10, 2730500), (20, 1365250), (25, 1092200), (40, 682625), (43, 635000), (50, 546100), (86, 317500), (100, 273050), (125, 218440), (127, 215000), (172, 158750), (200, 136525), (215, 127000), (250, 109220), (254, 107500), (344, 79375), (430, 63500), (500, 54610), (508, 53750), (625, 43688), (635, 43000), (860, 31750), (1000, 27305), (1016, 26875), (1075, 25400), (1250, 21844), (1270, 21500), (1720, 15875), (2150, 12700), (2500, 10922), (2540, 10750), (3175, 8600), (4300, 6350), (5000, 5461), (5080, 5375)]