123100155440

素因数分解:

$2^4\times 5^1\times {\mathrm{1538751943}}^1$

素因数の和:1538751956

約数の個数: 20

約数和(自身を含む): 286207861584

約数和(自身を除く): 163107706144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1538751943, 3077503886, 6155007772, 7693759715, 12310015544, 15387519430, 24620031088, 30775038860, 61550077720, 123100155440]

約数ペア:

[(1, 123100155440), (2, 61550077720), (4, 30775038860), (5, 24620031088), (8, 15387519430), (10, 12310015544), (16, 7693759715), (20, 6155007772), (40, 3077503886), (80, 1538751943)]