13050760

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{641}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 29467800

約数和(自身を除く): 16417040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 641, 1018, 1282, 2036, 2545, 2564, 3205, 4072, 5090, 5128, 6410, 10180, 12820, 20360, 25640, 326269, 652538, 1305076, 1631345, 2610152, 3262690, 6525380, 13050760]

約数ペア:

[(1, 13050760), (2, 6525380), (4, 3262690), (5, 2610152), (8, 1631345), (10, 1305076), (20, 652538), (40, 326269), (509, 25640), (641, 20360), (1018, 12820), (1282, 10180), (2036, 6410), (2545, 5128), (2564, 5090), (3205, 4072)]