6453400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 15389640

約数和(自身を除く): 8936240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 787, 820, 1025, 1574, 1640, 2050, 3148, 3935, 4100, 6296, 7870, 8200, 15740, 19675, 31480, 32267, 39350, 64534, 78700, 129068, 157400, 161335, 258136, 322670, 645340, 806675, 1290680, 1613350, 3226700, 6453400]

約数ペア:

[(1, 6453400), (2, 3226700), (4, 1613350), (5, 1290680), (8, 806675), (10, 645340), (20, 322670), (25, 258136), (40, 161335), (41, 157400), (50, 129068), (82, 78700), (100, 64534), (164, 39350), (200, 32267), (205, 31480), (328, 19675), (410, 15740), (787, 8200), (820, 7870), (1025, 6296), (1574, 4100), (1640, 3935), (2050, 3148)]