42720800

素因数分解:

$2^5\times 5^2\times {\mathrm{53401}}^1$

素因数の和:53421

約数の個数: 36

約数和(自身を含む): 104294106

約数和(自身を除く): 61573306

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 53401, 106802, 213604, 267005, 427208, 534010, 854416, 1068020, 1335025, 1708832, 2136040, 2670050, 4272080, 5340100, 8544160, 10680200, 21360400, 42720800]

約数ペア:

[(1, 42720800), (2, 21360400), (4, 10680200), (5, 8544160), (8, 5340100), (10, 4272080), (16, 2670050), (20, 2136040), (25, 1708832), (32, 1335025), (40, 1068020), (50, 854416), (80, 534010), (100, 427208), (160, 267005), (200, 213604), (400, 106802), (800, 53401)]