66709540

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{6553}}^1$

素因数の和:7071

約数の個数: 24

約数和(自身を含む): 140386680

約数和(自身を除く): 73677140

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 6553, 10180, 13106, 26212, 32765, 65530, 131060, 3335477, 6670954, 13341908, 16677385, 33354770, 66709540]

約数ペア:

[(1, 66709540), (2, 33354770), (4, 16677385), (5, 13341908), (10, 6670954), (20, 3335477), (509, 131060), (1018, 65530), (2036, 32765), (2545, 26212), (5090, 13106), (6553, 10180)]