77221520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14407}}^1$

素因数の和:14487

約数の個数: 40

約数和(自身を含む): 182232384

約数和(自身を除く): 105010864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 14407, 28814, 57628, 72035, 115256, 144070, 230512, 288140, 576280, 965269, 1152560, 1930538, 3861076, 4826345, 7722152, 9652690, 15444304, 19305380, 38610760, 77221520]

約数ペア:

[(1, 77221520), (2, 38610760), (4, 19305380), (5, 15444304), (8, 9652690), (10, 7722152), (16, 4826345), (20, 3861076), (40, 1930538), (67, 1152560), (80, 965269), (134, 576280), (268, 288140), (335, 230512), (536, 144070), (670, 115256), (1072, 72035), (1340, 57628), (2680, 28814), (5360, 14407)]