11405440

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 27760320

約数和(自身を除く): 16354880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 251, 284, 320, 355, 502, 568, 640, 710, 1004, 1136, 1255, 1420, 2008, 2272, 2510, 2840, 4016, 4544, 5020, 5680, 8032, 9088, 10040, 11360, 16064, 17821, 20080, 22720, 32128, 35642, 40160, 45440, 71284, 80320, 89105, 142568, 160640, 178210, 285136, 356420, 570272, 712840, 1140544, 1425680, 2281088, 2851360, 5702720, 11405440]

約数ペア:

[(1, 11405440), (2, 5702720), (4, 2851360), (5, 2281088), (8, 1425680), (10, 1140544), (16, 712840), (20, 570272), (32, 356420), (40, 285136), (64, 178210), (71, 160640), (80, 142568), (128, 89105), (142, 80320), (160, 71284), (251, 45440), (284, 40160), (320, 35642), (355, 32128), (502, 22720), (568, 20080), (640, 17821), (710, 16064), (1004, 11360), (1136, 10040), (1255, 9088), (1420, 8032), (2008, 5680), (2272, 5020), (2510, 4544), (2840, 4016)]