68089580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1019}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 154738080

約数和(自身を除く): 86648500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1019, 1028, 1285, 2038, 2570, 3341, 4076, 5095, 5140, 6682, 10190, 13247, 13364, 16705, 20380, 26494, 33410, 52988, 66235, 66820, 132470, 261883, 264940, 523766, 1047532, 1309415, 2618830, 3404479, 5237660, 6808958, 13617916, 17022395, 34044790, 68089580]

約数ペア:

[(1, 68089580), (2, 34044790), (4, 17022395), (5, 13617916), (10, 6808958), (13, 5237660), (20, 3404479), (26, 2618830), (52, 1309415), (65, 1047532), (130, 523766), (257, 264940), (260, 261883), (514, 132470), (1019, 66820), (1028, 66235), (1285, 52988), (2038, 33410), (2570, 26494), (3341, 20380), (4076, 16705), (5095, 13364), (5140, 13247), (6682, 10190)]