55406720

素因数分解:

$2^7\times 5^1\times {\mathrm{86573}}^1$

素因数の和:86592

約数の個数: 32

約数和(自身を含む): 132458220

約数和(自身を除く): 77051500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 86573, 173146, 346292, 432865, 692584, 865730, 1385168, 1731460, 2770336, 3462920, 5540672, 6925840, 11081344, 13851680, 27703360, 55406720]

約数ペア:

[(1, 55406720), (2, 27703360), (4, 13851680), (5, 11081344), (8, 6925840), (10, 5540672), (16, 3462920), (20, 2770336), (32, 1731460), (40, 1385168), (64, 865730), (80, 692584), (128, 432865), (160, 346292), (320, 173146), (640, 86573)]