61640140

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{6277}}^1$

素因数の和:6777

約数の個数: 24

約数和(自身を含む): 129728592

約数和(自身を除く): 68088452

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 6277, 9820, 12554, 25108, 31385, 62770, 125540, 3082007, 6164014, 12328028, 15410035, 30820070, 61640140]

約数ペア:

[(1, 61640140), (2, 30820070), (4, 15410035), (5, 12328028), (10, 6164014), (20, 3082007), (491, 125540), (982, 62770), (1964, 31385), (2455, 25108), (4910, 12554), (6277, 9820)]