61394380

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3739}}^1$

素因数の和:4569

約数の個数: 24

約数和(自身を含む): 129119760

約数和(自身を除く): 67725380

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 3739, 4105, 7478, 8210, 14956, 16420, 18695, 37390, 74780, 3069719, 6139438, 12278876, 15348595, 30697190, 61394380]

約数ペア:

[(1, 61394380), (2, 30697190), (4, 15348595), (5, 12278876), (10, 6139438), (20, 3069719), (821, 74780), (1642, 37390), (3284, 18695), (3739, 16420), (4105, 14956), (7478, 8210)]