16828480

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1283

約数の個数: 56

約数和(自身を含む): 41038272

約数和(自身を除く): 24209792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1223, 1376, 1720, 2446, 2752, 3440, 4892, 6115, 6880, 9784, 12230, 13760, 19568, 24460, 39136, 48920, 52589, 78272, 97840, 105178, 195680, 210356, 262945, 391360, 420712, 525890, 841424, 1051780, 1682848, 2103560, 3365696, 4207120, 8414240, 16828480]

約数ペア:

[(1, 16828480), (2, 8414240), (4, 4207120), (5, 3365696), (8, 2103560), (10, 1682848), (16, 1051780), (20, 841424), (32, 525890), (40, 420712), (43, 391360), (64, 262945), (80, 210356), (86, 195680), (160, 105178), (172, 97840), (215, 78272), (320, 52589), (344, 48920), (430, 39136), (688, 24460), (860, 19568), (1223, 13760), (1376, 12230), (1720, 9784), (2446, 6880), (2752, 6115), (3440, 4892)]