27209240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 64229760

約数和(自身を除く): 37020520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 164, 188, 205, 235, 328, 353, 376, 410, 470, 706, 820, 940, 1412, 1640, 1765, 1880, 1927, 2824, 3530, 3854, 7060, 7708, 9635, 14120, 14473, 15416, 16591, 19270, 28946, 33182, 38540, 57892, 66364, 72365, 77080, 82955, 115784, 132728, 144730, 165910, 289460, 331820, 578920, 663640, 680231, 1360462, 2720924, 3401155, 5441848, 6802310, 13604620, 27209240]

約数ペア:

[(1, 27209240), (2, 13604620), (4, 6802310), (5, 5441848), (8, 3401155), (10, 2720924), (20, 1360462), (40, 680231), (41, 663640), (47, 578920), (82, 331820), (94, 289460), (164, 165910), (188, 144730), (205, 132728), (235, 115784), (328, 82955), (353, 77080), (376, 72365), (410, 66364), (470, 57892), (706, 38540), (820, 33182), (940, 28946), (1412, 19270), (1640, 16591), (1765, 15416), (1880, 14473), (1927, 14120), (2824, 9635), (3530, 7708), (3854, 7060)]