401120800

素因数分解:

$2^5\times 5^2\times {\mathrm{501401}}^1$

素因数の和:501421

約数の個数: 36

約数和(自身を含む): 979238106

約数和(自身を除く): 578117306

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 501401, 1002802, 2005604, 2507005, 4011208, 5014010, 8022416, 10028020, 12535025, 16044832, 20056040, 25070050, 40112080, 50140100, 80224160, 100280200, 200560400, 401120800]

約数ペア:

[(1, 401120800), (2, 200560400), (4, 100280200), (5, 80224160), (8, 50140100), (10, 40112080), (16, 25070050), (20, 20056040), (25, 16044832), (32, 12535025), (40, 10028020), (50, 8022416), (80, 5014010), (100, 4011208), (160, 2507005), (200, 2005604), (400, 1002802), (800, 501401)]