15535480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6367}}^1$

素因数の和:6439

約数の個数: 32

約数和(自身を含む): 35533440

約数和(自身を除く): 19997960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6367, 12734, 25468, 31835, 50936, 63670, 127340, 254680, 388387, 776774, 1553548, 1941935, 3107096, 3883870, 7767740, 15535480]

約数ペア:

[(1, 15535480), (2, 7767740), (4, 3883870), (5, 3107096), (8, 1941935), (10, 1553548), (20, 776774), (40, 388387), (61, 254680), (122, 127340), (244, 63670), (305, 50936), (488, 31835), (610, 25468), (1220, 12734), (2440, 6367)]