18301280

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1069}}^1$

素因数の和:1191

約数の個数: 48

約数和(自身を含む): 43681680

約数和(自身を除く): 25380400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1069, 1070, 1712, 2138, 2140, 3424, 4276, 4280, 5345, 8552, 8560, 10690, 17104, 17120, 21380, 34208, 42760, 85520, 114383, 171040, 228766, 457532, 571915, 915064, 1143830, 1830128, 2287660, 3660256, 4575320, 9150640, 18301280]

約数ペア:

[(1, 18301280), (2, 9150640), (4, 4575320), (5, 3660256), (8, 2287660), (10, 1830128), (16, 1143830), (20, 915064), (32, 571915), (40, 457532), (80, 228766), (107, 171040), (160, 114383), (214, 85520), (428, 42760), (535, 34208), (856, 21380), (1069, 17120), (1070, 17104), (1712, 10690), (2138, 8560), (2140, 8552), (3424, 5345), (4276, 4280)]