12742640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3389}}^1$

素因数の和:3449

約数の個数: 40

約数和(自身を含む): 30265920

約数和(自身を除く): 17523280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3389, 3760, 6778, 13556, 16945, 27112, 33890, 54224, 67780, 135560, 159283, 271120, 318566, 637132, 796415, 1274264, 1592830, 2548528, 3185660, 6371320, 12742640]

約数ペア:

[(1, 12742640), (2, 6371320), (4, 3185660), (5, 2548528), (8, 1592830), (10, 1274264), (16, 796415), (20, 637132), (40, 318566), (47, 271120), (80, 159283), (94, 135560), (188, 67780), (235, 54224), (376, 33890), (470, 27112), (752, 16945), (940, 13556), (1880, 6778), (3389, 3760)]