1320348440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{702313}}^1$

素因数の和:702371

約数の個数: 32

約数和(自身を含む): 3033996480

約数和(自身を除く): 1713648040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 702313, 1404626, 2809252, 3511565, 5618504, 7023130, 14046260, 28092520, 33008711, 66017422, 132034844, 165043555, 264069688, 330087110, 660174220, 1320348440]

約数ペア:

[(1, 1320348440), (2, 660174220), (4, 330087110), (5, 264069688), (8, 165043555), (10, 132034844), (20, 66017422), (40, 33008711), (47, 28092520), (94, 14046260), (188, 7023130), (235, 5618504), (376, 3511565), (470, 2809252), (940, 1404626), (1880, 702313)]