8047340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 19740672

約数和(自身を除く): 11693332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1223, 1316, 1645, 2446, 3290, 4892, 6115, 6580, 8561, 12230, 17122, 24460, 34244, 42805, 57481, 85610, 114962, 171220, 229924, 287405, 402367, 574810, 804734, 1149620, 1609468, 2011835, 4023670, 8047340]

約数ペア:

[(1, 8047340), (2, 4023670), (4, 2011835), (5, 1609468), (7, 1149620), (10, 804734), (14, 574810), (20, 402367), (28, 287405), (35, 229924), (47, 171220), (70, 114962), (94, 85610), (140, 57481), (188, 42805), (235, 34244), (329, 24460), (470, 17122), (658, 12230), (940, 8561), (1223, 6580), (1316, 6115), (1645, 4892), (2446, 3290)]