81960190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{6121}}^1$

素因数の和:6244

約数の個数: 32

約数和(自身を含む): 160445376

約数和(自身を除く): 78485186

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2678, 6121, 6695, 12242, 13390, 30605, 61210, 79573, 159146, 397865, 630463, 795730, 1260926, 3152315, 6304630, 8196019, 16392038, 40980095, 81960190]

約数ペア:

[(1, 81960190), (2, 40980095), (5, 16392038), (10, 8196019), (13, 6304630), (26, 3152315), (65, 1260926), (103, 795730), (130, 630463), (206, 397865), (515, 159146), (1030, 79573), (1339, 61210), (2678, 30605), (6121, 13390), (6695, 12242)]