3123920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2297}}^1$

素因数の和:2327

約数の個数: 40

約数和(自身を含む): 7693704

約数和(自身を除く): 4569784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2297, 4594, 9188, 11485, 18376, 22970, 36752, 39049, 45940, 78098, 91880, 156196, 183760, 195245, 312392, 390490, 624784, 780980, 1561960, 3123920]

約数ペア:

[(1, 3123920), (2, 1561960), (4, 780980), (5, 624784), (8, 390490), (10, 312392), (16, 195245), (17, 183760), (20, 156196), (34, 91880), (40, 78098), (68, 45940), (80, 39049), (85, 36752), (136, 22970), (170, 18376), (272, 11485), (340, 9188), (680, 4594), (1360, 2297)]