135905920

素因数分解:

$2^7\times 5^1\times {\mathrm{212353}}^1$

素因数の和:212372

約数の個数: 32

約数和(自身を含む): 324901620

約数和(自身を除く): 188995700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 212353, 424706, 849412, 1061765, 1698824, 2123530, 3397648, 4247060, 6795296, 8494120, 13590592, 16988240, 27181184, 33976480, 67952960, 135905920]

約数ペア:

[(1, 135905920), (2, 67952960), (4, 33976480), (5, 27181184), (8, 16988240), (10, 13590592), (16, 8494120), (20, 6795296), (32, 4247060), (40, 3397648), (64, 2123530), (80, 1698824), (128, 1061765), (160, 849412), (320, 424706), (640, 212353)]