248520680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151537}}^1$

素因数の和:151589

約数の個数: 32

約数和(自身を含む): 572813640

約数和(自身を除く): 324292960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 151537, 303074, 606148, 757685, 1212296, 1515370, 3030740, 6061480, 6213017, 12426034, 24852068, 31065085, 49704136, 62130170, 124260340, 248520680]

約数ペア:

[(1, 248520680), (2, 124260340), (4, 62130170), (5, 49704136), (8, 31065085), (10, 24852068), (20, 12426034), (40, 6213017), (41, 6061480), (82, 3030740), (164, 1515370), (205, 1212296), (328, 757685), (410, 606148), (820, 303074), (1640, 151537)]