81425710

素因数分解:

$2^1\times 5^1\times {\mathrm{1973}}^1\times {\mathrm{4127}}^1$

素因数の和:6107

約数の個数: 16

約数和(自身を含む): 146676096

約数和(自身を除く): 65250386

約数列:

[1, 2, 5, 10, 1973, 3946, 4127, 8254, 9865, 19730, 20635, 41270, 8142571, 16285142, 40712855, 81425710]

約数ペア:

[(1, 81425710), (2, 40712855), (5, 16285142), (10, 8142571), (1973, 41270), (3946, 20635), (4127, 19730), (8254, 9865)]