27405440

素因数分解:

$2^7\times 5^1\times {\mathrm{42821}}^1$

素因数の和:42840

約数の個数: 32

約数和(自身を含む): 65517660

約数和(自身を除く): 38112220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 42821, 85642, 171284, 214105, 342568, 428210, 685136, 856420, 1370272, 1712840, 2740544, 3425680, 5481088, 6851360, 13702720, 27405440]

約数ペア:

[(1, 27405440), (2, 13702720), (4, 6851360), (5, 5481088), (8, 3425680), (10, 2740544), (16, 1712840), (20, 1370272), (32, 856420), (40, 685136), (64, 428210), (80, 342568), (128, 214105), (160, 171284), (320, 85642), (640, 42821)]