26979760

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2069}}^1$

素因数の和:2245

約数の個数: 40

約数和(自身を含む): 63143280

約数和(自身を除く): 36163520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2069, 2608, 3260, 4138, 6520, 8276, 10345, 13040, 16552, 20690, 33104, 41380, 82760, 165520, 337247, 674494, 1348988, 1686235, 2697976, 3372470, 5395952, 6744940, 13489880, 26979760]

約数ペア:

[(1, 26979760), (2, 13489880), (4, 6744940), (5, 5395952), (8, 3372470), (10, 2697976), (16, 1686235), (20, 1348988), (40, 674494), (80, 337247), (163, 165520), (326, 82760), (652, 41380), (815, 33104), (1304, 20690), (1630, 16552), (2069, 13040), (2608, 10345), (3260, 8276), (4138, 6520)]