55886720

素因数分解:

$2^7\times 5^1\times {\mathrm{87323}}^1$

素因数の和:87342

約数の個数: 32

約数和(自身を含む): 133605720

約数和(自身を除く): 77719000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 87323, 174646, 349292, 436615, 698584, 873230, 1397168, 1746460, 2794336, 3492920, 5588672, 6985840, 11177344, 13971680, 27943360, 55886720]

約数ペア:

[(1, 55886720), (2, 27943360), (4, 13971680), (5, 11177344), (8, 6985840), (10, 5588672), (16, 3492920), (20, 2794336), (32, 1746460), (40, 1397168), (64, 873230), (80, 698584), (128, 436615), (160, 349292), (320, 174646), (640, 87323)]