805467890

素因数分解:

$2^1\times 5^1\times {\mathrm{4271}}^1\times {\mathrm{18859}}^1$

素因数の和:23137

約数の個数: 16

約数和(自身を含む): 1450258560

約数和(自身を除く): 644790670

約数列:

[1, 2, 5, 10, 4271, 8542, 18859, 21355, 37718, 42710, 94295, 188590, 80546789, 161093578, 402733945, 805467890]

約数ペア:

[(1, 805467890), (2, 402733945), (5, 161093578), (10, 80546789), (4271, 188590), (8542, 94295), (18859, 42710), (21355, 37718)]