80682416

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{56659}}^1$

素因数の和:56756

約数の個数: 20

約数和(自身を含む): 158081400

約数和(自身を除く): 77398984

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 56659, 113318, 226636, 453272, 906544, 5042651, 10085302, 20170604, 40341208, 80682416]

約数ペア:

[(1, 80682416), (2, 40341208), (4, 20170604), (8, 10085302), (16, 5042651), (89, 906544), (178, 453272), (356, 226636), (712, 113318), (1424, 56659)]