71961200

素因数分解:

$2^4\times 5^2\times {\mathrm{179903}}^1$

素因数の和:179921

約数の個数: 30

約数和(自身を含む): 172887744

約数和(自身を除く): 100926544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 179903, 359806, 719612, 899515, 1439224, 1799030, 2878448, 3598060, 4497575, 7196120, 8995150, 14392240, 17990300, 35980600, 71961200]

約数ペア:

[(1, 71961200), (2, 35980600), (4, 17990300), (5, 14392240), (8, 8995150), (10, 7196120), (16, 4497575), (20, 3598060), (25, 2878448), (40, 1799030), (50, 1439224), (80, 899515), (100, 719612), (200, 359806), (400, 179903)]