25303408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:769

約数の個数: 40

約数和(自身を含む): 53121600

約数和(自身を除く): 27818192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 239, 478, 509, 956, 1018, 1912, 2036, 3107, 3824, 4072, 6214, 6617, 8144, 12428, 13234, 24856, 26468, 49712, 52936, 105872, 121651, 243302, 486604, 973208, 1581463, 1946416, 3162926, 6325852, 12651704, 25303408]

約数ペア:

[(1, 25303408), (2, 12651704), (4, 6325852), (8, 3162926), (13, 1946416), (16, 1581463), (26, 973208), (52, 486604), (104, 243302), (208, 121651), (239, 105872), (478, 52936), (509, 49712), (956, 26468), (1018, 24856), (1912, 13234), (2036, 12428), (3107, 8144), (3824, 6617), (4072, 6214)]