1985960

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 4514400

約数和(自身を除く): 2528440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 379, 524, 655, 758, 1048, 1310, 1516, 1895, 2620, 3032, 3790, 5240, 7580, 15160, 49649, 99298, 198596, 248245, 397192, 496490, 992980, 1985960]

約数ペア:

[(1, 1985960), (2, 992980), (4, 496490), (5, 397192), (8, 248245), (10, 198596), (20, 99298), (40, 49649), (131, 15160), (262, 7580), (379, 5240), (524, 3790), (655, 3032), (758, 2620), (1048, 1895), (1310, 1516)]