74433680

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1447}}^1$

素因数の和:2103

約数の個数: 40

約数和(自身を含む): 173447232

約数和(自身を除く): 99013552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 1447, 2572, 2894, 3215, 5144, 5788, 6430, 7235, 10288, 11576, 12860, 14470, 23152, 25720, 28940, 51440, 57880, 115760, 930421, 1860842, 3721684, 4652105, 7443368, 9304210, 14886736, 18608420, 37216840, 74433680]

約数ペア:

[(1, 74433680), (2, 37216840), (4, 18608420), (5, 14886736), (8, 9304210), (10, 7443368), (16, 4652105), (20, 3721684), (40, 1860842), (80, 930421), (643, 115760), (1286, 57880), (1447, 51440), (2572, 28940), (2894, 25720), (3215, 23152), (5144, 14470), (5788, 12860), (6430, 11576), (7235, 10288)]