19625120

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{709}}^1$

素因数の和:897

約数の個数: 48

約数和(自身を含む): 46698120

約数和(自身を除く): 27073000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 709, 865, 1384, 1418, 1730, 2768, 2836, 3460, 3545, 5536, 5672, 6920, 7090, 11344, 13840, 14180, 22688, 27680, 28360, 56720, 113440, 122657, 245314, 490628, 613285, 981256, 1226570, 1962512, 2453140, 3925024, 4906280, 9812560, 19625120]

約数ペア:

[(1, 19625120), (2, 9812560), (4, 4906280), (5, 3925024), (8, 2453140), (10, 1962512), (16, 1226570), (20, 981256), (32, 613285), (40, 490628), (80, 245314), (160, 122657), (173, 113440), (346, 56720), (692, 28360), (709, 27680), (865, 22688), (1384, 14180), (1418, 13840), (1730, 11344), (2768, 7090), (2836, 6920), (3460, 5672), (3545, 5536)]