90820085

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{659}}^1$

素因数の和:1348

約数の個数: 16

約数和(自身を含む): 111862080

約数和(自身を除く): 21041995

約数列:

[1, 5, 43, 215, 641, 659, 3205, 3295, 27563, 28337, 137815, 141685, 422419, 2112095, 18164017, 90820085]

約数ペア:

[(1, 90820085), (5, 18164017), (43, 2112095), (215, 422419), (641, 141685), (659, 137815), (3205, 28337), (3295, 27563)]