38380040

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1483}}^1$

素因数の和:2141

約数の個数: 32

約数和(自身を含む): 86546880

約数和(自身を除く): 48166840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 1483, 2588, 2966, 3235, 5176, 5932, 6470, 7415, 11864, 12940, 14830, 25880, 29660, 59320, 959501, 1919002, 3838004, 4797505, 7676008, 9595010, 19190020, 38380040]

約数ペア:

[(1, 38380040), (2, 19190020), (4, 9595010), (5, 7676008), (8, 4797505), (10, 3838004), (20, 1919002), (40, 959501), (647, 59320), (1294, 29660), (1483, 25880), (2588, 14830), (2966, 12940), (3235, 11864), (5176, 7415), (5932, 6470)]