129121250

素因数分解:

$2^1\times 5^4\times {\mathrm{53}}^1\times {\mathrm{1949}}^1$

素因数の和:2024

約数の個数: 40

約数和(自身を含む): 246717900

約数和(自身を除く): 117596650

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 625, 1250, 1325, 1949, 2650, 3898, 6625, 9745, 13250, 19490, 33125, 48725, 66250, 97450, 103297, 206594, 243625, 487250, 516485, 1032970, 1218125, 2436250, 2582425, 5164850, 12912125, 25824250, 64560625, 129121250]

約数ペア:

[(1, 129121250), (2, 64560625), (5, 25824250), (10, 12912125), (25, 5164850), (50, 2582425), (53, 2436250), (106, 1218125), (125, 1032970), (250, 516485), (265, 487250), (530, 243625), (625, 206594), (1250, 103297), (1325, 97450), (1949, 66250), (2650, 48725), (3898, 33125), (6625, 19490), (9745, 13250)]