51156140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15887}}^1$

素因数の和:15926

約数の個数: 48

約数和(自身を含む): 128120832

約数和(自身を除く): 76964692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 15887, 31774, 63548, 79435, 111209, 158870, 222418, 317740, 365401, 444836, 556045, 730802, 1112090, 1461604, 1827005, 2224180, 2557807, 3654010, 5115614, 7308020, 10231228, 12789035, 25578070, 51156140]

約数ペア:

[(1, 51156140), (2, 25578070), (4, 12789035), (5, 10231228), (7, 7308020), (10, 5115614), (14, 3654010), (20, 2557807), (23, 2224180), (28, 1827005), (35, 1461604), (46, 1112090), (70, 730802), (92, 556045), (115, 444836), (140, 365401), (161, 317740), (230, 222418), (322, 158870), (460, 111209), (644, 79435), (805, 63548), (1610, 31774), (3220, 15887)]