16556120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8447}}^1$

素因数の和:8472

約数の個数: 48

約数和(自身を含む): 43338240

約数和(自身を除く): 26782120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8447, 16894, 33788, 42235, 59129, 67576, 84470, 118258, 168940, 236516, 295645, 337880, 413903, 473032, 591290, 827806, 1182580, 1655612, 2069515, 2365160, 3311224, 4139030, 8278060, 16556120]

約数ペア:

[(1, 16556120), (2, 8278060), (4, 4139030), (5, 3311224), (7, 2365160), (8, 2069515), (10, 1655612), (14, 1182580), (20, 827806), (28, 591290), (35, 473032), (40, 413903), (49, 337880), (56, 295645), (70, 236516), (98, 168940), (140, 118258), (196, 84470), (245, 67576), (280, 59129), (392, 42235), (490, 33788), (980, 16894), (1960, 8447)]