64072321820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{246432007}}^1$

素因数の和:246432029

約数の個数: 24

約数和(自身を含む): 144902020704

約数和(自身を除く): 80829698884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 246432007, 492864014, 985728028, 1232160035, 2464320070, 3203616091, 4928640140, 6407232182, 12814464364, 16018080455, 32036160910, 64072321820]

約数ペア:

[(1, 64072321820), (2, 32036160910), (4, 16018080455), (5, 12814464364), (10, 6407232182), (13, 4928640140), (20, 3203616091), (26, 2464320070), (52, 1232160035), (65, 985728028), (130, 492864014), (260, 246432007)]