25092820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 54867456

約数和(自身を除く): 29774636

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 431, 710, 820, 862, 1420, 1724, 2155, 2911, 4310, 5822, 8620, 11644, 14555, 17671, 29110, 30601, 35342, 58220, 61202, 70684, 88355, 122404, 153005, 176710, 306010, 353420, 612020, 1254641, 2509282, 5018564, 6273205, 12546410, 25092820]

約数ペア:

[(1, 25092820), (2, 12546410), (4, 6273205), (5, 5018564), (10, 2509282), (20, 1254641), (41, 612020), (71, 353420), (82, 306010), (142, 176710), (164, 153005), (205, 122404), (284, 88355), (355, 70684), (410, 61202), (431, 58220), (710, 35342), (820, 30601), (862, 29110), (1420, 17671), (1724, 14555), (2155, 11644), (2911, 8620), (4310, 5822)]