51981140

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{6203}}^1$

素因数の和:6631

約数の個数: 24

約数和(自身を含む): 109438560

約数和(自身を除く): 57457420

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 6203, 8380, 12406, 24812, 31015, 62030, 124060, 2599057, 5198114, 10396228, 12995285, 25990570, 51981140]

約数ペア:

[(1, 51981140), (2, 25990570), (4, 12995285), (5, 10396228), (10, 5198114), (20, 2599057), (419, 124060), (838, 62030), (1676, 31015), (2095, 24812), (4190, 12406), (6203, 8380)]