405376480

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{58921}}^1$

素因数の和:58979

約数の個数: 48

約数和(自身を含む): 979990704

約数和(自身を除く): 574614224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 58921, 117842, 235684, 294605, 471368, 589210, 942736, 1178420, 1885472, 2356840, 2533603, 4713680, 5067206, 9427360, 10134412, 12668015, 20268824, 25336030, 40537648, 50672060, 81075296, 101344120, 202688240, 405376480]

約数ペア:

[(1, 405376480), (2, 202688240), (4, 101344120), (5, 81075296), (8, 50672060), (10, 40537648), (16, 25336030), (20, 20268824), (32, 12668015), (40, 10134412), (43, 9427360), (80, 5067206), (86, 4713680), (160, 2533603), (172, 2356840), (215, 1885472), (344, 1178420), (430, 942736), (688, 589210), (860, 471368), (1376, 294605), (1720, 235684), (3440, 117842), (6880, 58921)]