201615193040

素因数分解:

$2^4\times 5^1\times {\mathrm{2520189913}}^1$

素因数の和:2520189926

約数の個数: 20

約数和(自身を含む): 468755324004

約数和(自身を除く): 267140130964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520189913, 5040379826, 10080759652, 12600949565, 20161519304, 25201899130, 40323038608, 50403798260, 100807596520, 201615193040]

約数ペア:

[(1, 201615193040), (2, 100807596520), (4, 50403798260), (5, 40323038608), (8, 25201899130), (10, 20161519304), (16, 12600949565), (20, 10080759652), (40, 5040379826), (80, 2520189913)]