72320800

素因数分解:

$2^5\times 5^2\times {\mathrm{90401}}^1$

素因数の和:90421

約数の個数: 36

約数和(自身を含む): 176555106

約数和(自身を除く): 104234306

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 90401, 180802, 361604, 452005, 723208, 904010, 1446416, 1808020, 2260025, 2892832, 3616040, 4520050, 7232080, 9040100, 14464160, 18080200, 36160400, 72320800]

約数ペア:

[(1, 72320800), (2, 36160400), (4, 18080200), (5, 14464160), (8, 9040100), (10, 7232080), (16, 4520050), (20, 3616040), (25, 2892832), (32, 2260025), (40, 1808020), (50, 1446416), (80, 904010), (100, 723208), (160, 452005), (200, 361604), (400, 180802), (800, 90401)]