25079740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{499}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 60480000

約数和(自身を除く): 35400260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 499, 718, 998, 1436, 1795, 1996, 2495, 2513, 3493, 3590, 4990, 5026, 6986, 7180, 9980, 10052, 12565, 13972, 17465, 25130, 34930, 50260, 69860, 179141, 358282, 716564, 895705, 1253987, 1791410, 2507974, 3582820, 5015948, 6269935, 12539870, 25079740]

約数ペア:

[(1, 25079740), (2, 12539870), (4, 6269935), (5, 5015948), (7, 3582820), (10, 2507974), (14, 1791410), (20, 1253987), (28, 895705), (35, 716564), (70, 358282), (140, 179141), (359, 69860), (499, 50260), (718, 34930), (998, 25130), (1436, 17465), (1795, 13972), (1996, 12565), (2495, 10052), (2513, 9980), (3493, 7180), (3590, 6986), (4990, 5026)]