13237760

素因数分解:

$2^9\times 5^1\times {\mathrm{5171}}^1$

素因数の和:5194

約数の個数: 40

約数和(自身を含む): 31745736

約数和(自身を除く): 18507976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 5171, 10342, 20684, 25855, 41368, 51710, 82736, 103420, 165472, 206840, 330944, 413680, 661888, 827360, 1323776, 1654720, 2647552, 3309440, 6618880, 13237760]

約数ペア:

[(1, 13237760), (2, 6618880), (4, 3309440), (5, 2647552), (8, 1654720), (10, 1323776), (16, 827360), (20, 661888), (32, 413680), (40, 330944), (64, 206840), (80, 165472), (128, 103420), (160, 82736), (256, 51710), (320, 41368), (512, 25855), (640, 20684), (1280, 10342), (2560, 5171)]