61630840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21701}}^1$

素因数の和:21783

約数の個数: 32

約数和(自身を含む): 140628960

約数和(自身を除く): 78998120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 21701, 43402, 86804, 108505, 173608, 217010, 434020, 868040, 1540771, 3081542, 6163084, 7703855, 12326168, 15407710, 30815420, 61630840]

約数ペア:

[(1, 61630840), (2, 30815420), (4, 15407710), (5, 12326168), (8, 7703855), (10, 6163084), (20, 3081542), (40, 1540771), (71, 868040), (142, 434020), (284, 217010), (355, 173608), (568, 108505), (710, 86804), (1420, 43402), (2840, 21701)]