25928420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1109}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 36728860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1109, 1169, 1670, 2218, 2338, 3340, 4436, 4676, 5545, 5845, 7763, 11090, 11690, 15526, 22180, 23380, 31052, 38815, 77630, 155260, 185203, 370406, 740812, 926015, 1296421, 1852030, 2592842, 3704060, 5185684, 6482105, 12964210, 25928420]

約数ペア:

[(1, 25928420), (2, 12964210), (4, 6482105), (5, 5185684), (7, 3704060), (10, 2592842), (14, 1852030), (20, 1296421), (28, 926015), (35, 740812), (70, 370406), (140, 185203), (167, 155260), (334, 77630), (668, 38815), (835, 31052), (1109, 23380), (1169, 22180), (1670, 15526), (2218, 11690), (2338, 11090), (3340, 7763), (4436, 5845), (4676, 5545)]