13489880

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2069}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 30553200

約数和(自身を除く): 17063320

約数列:

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

約数ペア:

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