90797440

素因数分解:

$2^7\times 5^1\times {\mathrm{141871}}^1$

素因数の和:141890

約数の個数: 32

約数和(自身を含む): 217064160

約数和(自身を除く): 126266720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141871, 283742, 567484, 709355, 1134968, 1418710, 2269936, 2837420, 4539872, 5674840, 9079744, 11349680, 18159488, 22699360, 45398720, 90797440]

約数ペア:

[(1, 90797440), (2, 45398720), (4, 22699360), (5, 18159488), (8, 11349680), (10, 9079744), (16, 5674840), (20, 4539872), (32, 2837420), (40, 2269936), (64, 1418710), (80, 1134968), (128, 709355), (160, 567484), (320, 283742), (640, 141871)]