90785920

素因数分解:

$2^7\times 5^1\times {\mathrm{141853}}^1$

素因数の和:141872

約数の個数: 32

約数和(自身を含む): 217036620

約数和(自身を除く): 126250700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141853, 283706, 567412, 709265, 1134824, 1418530, 2269648, 2837060, 4539296, 5674120, 9078592, 11348240, 18157184, 22696480, 45392960, 90785920]

約数ペア:

[(1, 90785920), (2, 45392960), (4, 22696480), (5, 18157184), (8, 11348240), (10, 9078592), (16, 5674120), (20, 4539296), (32, 2837060), (40, 2269648), (64, 1418530), (80, 1134824), (128, 709265), (160, 567412), (320, 283706), (640, 141853)]