11545280

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:457

約数の個数: 56

約数和(自身を含む): 27828240

約数和(自身を除く): 16282960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 331, 436, 545, 662, 872, 1090, 1324, 1655, 1744, 2180, 2648, 3310, 3488, 4360, 5296, 6620, 6976, 8720, 10592, 13240, 17440, 21184, 26480, 34880, 36079, 52960, 72158, 105920, 144316, 180395, 288632, 360790, 577264, 721580, 1154528, 1443160, 2309056, 2886320, 5772640, 11545280]

約数ペア:

[(1, 11545280), (2, 5772640), (4, 2886320), (5, 2309056), (8, 1443160), (10, 1154528), (16, 721580), (20, 577264), (32, 360790), (40, 288632), (64, 180395), (80, 144316), (109, 105920), (160, 72158), (218, 52960), (320, 36079), (331, 34880), (436, 26480), (545, 21184), (662, 17440), (872, 13240), (1090, 10592), (1324, 8720), (1655, 6976), (1744, 6620), (2180, 5296), (2648, 4360), (3310, 3488)]