68856580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8543}}^1$

素因数の和:8596

約数の個数: 48

約数和(自身を含む): 160763904

約数和(自身を除く): 91907324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 8543, 17086, 34172, 42715, 85430, 111059, 170860, 222118, 264833, 444236, 529666, 555295, 1059332, 1110590, 1324165, 2221180, 2648330, 3442829, 5296660, 6885658, 13771316, 17214145, 34428290, 68856580]

約数ペア:

[(1, 68856580), (2, 34428290), (4, 17214145), (5, 13771316), (10, 6885658), (13, 5296660), (20, 3442829), (26, 2648330), (31, 2221180), (52, 1324165), (62, 1110590), (65, 1059332), (124, 555295), (130, 529666), (155, 444236), (260, 264833), (310, 222118), (403, 170860), (620, 111059), (806, 85430), (1612, 42715), (2015, 34172), (4030, 17086), (8060, 8543)]