25416820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8887}}^1$

素因数の和:8920

約数の個数: 48

約数和(自身を含む): 62713728

約数和(自身を除く): 37296908

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 8887, 17774, 35548, 44435, 88870, 97757, 115531, 177740, 195514, 231062, 391028, 462124, 488785, 577655, 977570, 1155310, 1270841, 1955140, 2310620, 2541682, 5083364, 6354205, 12708410, 25416820]

約数ペア:

[(1, 25416820), (2, 12708410), (4, 6354205), (5, 5083364), (10, 2541682), (11, 2310620), (13, 1955140), (20, 1270841), (22, 1155310), (26, 977570), (44, 577655), (52, 488785), (55, 462124), (65, 391028), (110, 231062), (130, 195514), (143, 177740), (220, 115531), (260, 97757), (286, 88870), (572, 44435), (715, 35548), (1430, 17774), (2860, 8887)]