80639696

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{56629}}^1$

素因数の和:56726

約数の個数: 20

約数和(自身を含む): 157997700

約数和(自身を除く): 77358004

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 56629, 113258, 226516, 453032, 906064, 5039981, 10079962, 20159924, 40319848, 80639696]

約数ペア:

[(1, 80639696), (2, 40319848), (4, 20159924), (8, 10079962), (16, 5039981), (89, 906064), (178, 453032), (356, 226516), (712, 113258), (1424, 56629)]