7971567460

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1\times {\mathrm{4603}}^1$

素因数の和:5404

約数の個数: 48

約数和(自身を含む): 16897269312

約数和(自身を除く): 8925701852

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 661, 1310, 1322, 2620, 2644, 3305, 4603, 6610, 9206, 13220, 18412, 23015, 46030, 86591, 92060, 173182, 346364, 432955, 602993, 865910, 1205986, 1731820, 2411972, 3014965, 3042583, 6029930, 6085166, 12059860, 12170332, 15212915, 30425830, 60851660, 398578373, 797156746, 1594313492, 1992891865, 3985783730, 7971567460]

約数ペア:

[(1, 7971567460), (2, 3985783730), (4, 1992891865), (5, 1594313492), (10, 797156746), (20, 398578373), (131, 60851660), (262, 30425830), (524, 15212915), (655, 12170332), (661, 12059860), (1310, 6085166), (1322, 6029930), (2620, 3042583), (2644, 3014965), (3305, 2411972), (4603, 1731820), (6610, 1205986), (9206, 865910), (13220, 602993), (18412, 432955), (23015, 346364), (46030, 173182), (86591, 92060)]