12778940

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1741}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 26924352

約数和(自身を除く): 14145412

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1741, 1835, 3482, 3670, 6964, 7340, 8705, 17410, 34820, 638947, 1277894, 2555788, 3194735, 6389470, 12778940]

約数ペア:

[(1, 12778940), (2, 6389470), (4, 3194735), (5, 2555788), (10, 1277894), (20, 638947), (367, 34820), (734, 17410), (1468, 8705), (1741, 7340), (1835, 6964), (3482, 3670)]