221626880

素因数分解:

$2^9\times 5^1\times {\mathrm{86573}}^1$

素因数の和:86596

約数の個数: 40

約数和(自身を含む): 531391212

約数和(自身を除く): 309764332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 86573, 173146, 346292, 432865, 692584, 865730, 1385168, 1731460, 2770336, 3462920, 5540672, 6925840, 11081344, 13851680, 22162688, 27703360, 44325376, 55406720, 110813440, 221626880]

約数ペア:

[(1, 221626880), (2, 110813440), (4, 55406720), (5, 44325376), (8, 27703360), (10, 22162688), (16, 13851680), (20, 11081344), (32, 6925840), (40, 5540672), (64, 3462920), (80, 2770336), (128, 1731460), (160, 1385168), (256, 865730), (320, 692584), (512, 432865), (640, 346292), (1280, 173146), (2560, 86573)]