68176040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27941}}^1$

素因数の和:28013

約数の個数: 32

約数和(自身を含む): 155916360

約数和(自身を除く): 87740320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 27941, 55882, 111764, 139705, 223528, 279410, 558820, 1117640, 1704401, 3408802, 6817604, 8522005, 13635208, 17044010, 34088020, 68176040]

約数ペア:

[(1, 68176040), (2, 34088020), (4, 17044010), (5, 13635208), (8, 8522005), (10, 6817604), (20, 3408802), (40, 1704401), (61, 1117640), (122, 558820), (244, 279410), (305, 223528), (488, 139705), (610, 111764), (1220, 55882), (2440, 27941)]