16522850

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 32140800

約数和(自身を除く): 15617950

約数列:

[1, 2, 5, 10, 25, 47, 50, 79, 89, 94, 158, 178, 235, 395, 445, 470, 790, 890, 1175, 1975, 2225, 2350, 3713, 3950, 4183, 4450, 7031, 7426, 8366, 14062, 18565, 20915, 35155, 37130, 41830, 70310, 92825, 104575, 175775, 185650, 209150, 330457, 351550, 660914, 1652285, 3304570, 8261425, 16522850]

約数ペア:

[(1, 16522850), (2, 8261425), (5, 3304570), (10, 1652285), (25, 660914), (47, 351550), (50, 330457), (79, 209150), (89, 185650), (94, 175775), (158, 104575), (178, 92825), (235, 70310), (395, 41830), (445, 37130), (470, 35155), (790, 20915), (890, 18565), (1175, 14062), (1975, 8366), (2225, 7426), (2350, 7031), (3713, 4450), (3950, 4183)]