161004920

素因数分解:

$2^3\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{3491}}^1$

素因数の和:4655

約数の個数: 32

約数和(自身を含む): 362679120

約数和(自身を除く): 201674200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1153, 2306, 3491, 4612, 5765, 6982, 9224, 11530, 13964, 17455, 23060, 27928, 34910, 46120, 69820, 139640, 4025123, 8050246, 16100492, 20125615, 32200984, 40251230, 80502460, 161004920]

約数ペア:

[(1, 161004920), (2, 80502460), (4, 40251230), (5, 32200984), (8, 20125615), (10, 16100492), (20, 8050246), (40, 4025123), (1153, 139640), (2306, 69820), (3491, 46120), (4612, 34910), (5765, 27928), (6982, 23060), (9224, 17455), (11530, 13964)]