23107960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6491}}^1$

素因数の和:6591

約数の個数: 32

約数和(自身を含む): 52585200

約数和(自身を除く): 29477240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 6491, 12982, 25964, 32455, 51928, 64910, 129820, 259640, 577699, 1155398, 2310796, 2888495, 4621592, 5776990, 11553980, 23107960]

約数ペア:

[(1, 23107960), (2, 11553980), (4, 5776990), (5, 4621592), (8, 2888495), (10, 2310796), (20, 1155398), (40, 577699), (89, 259640), (178, 129820), (356, 64910), (445, 51928), (712, 32455), (890, 25964), (1780, 12982), (3560, 6491)]