142427080

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{4337}}^1$

素因数の和:5169

約数の個数: 32

約数和(自身を含む): 320925240

約数和(自身を除く): 178498160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 4105, 4337, 6568, 8210, 8674, 16420, 17348, 21685, 32840, 34696, 43370, 86740, 173480, 3560677, 7121354, 14242708, 17803385, 28485416, 35606770, 71213540, 142427080]

約数ペア:

[(1, 142427080), (2, 71213540), (4, 35606770), (5, 28485416), (8, 17803385), (10, 14242708), (20, 7121354), (40, 3560677), (821, 173480), (1642, 86740), (3284, 43370), (4105, 34696), (4337, 32840), (6568, 21685), (8210, 17348), (8674, 16420)]