71315140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2663}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 162908928

約数和(自身を除く): 91593788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2663, 2678, 5326, 5356, 6695, 10652, 13315, 13390, 26630, 26780, 34619, 53260, 69238, 138476, 173095, 274289, 346190, 548578, 692380, 1097156, 1371445, 2742890, 3565757, 5485780, 7131514, 14263028, 17828785, 35657570, 71315140]

約数ペア:

[(1, 71315140), (2, 35657570), (4, 17828785), (5, 14263028), (10, 7131514), (13, 5485780), (20, 3565757), (26, 2742890), (52, 1371445), (65, 1097156), (103, 692380), (130, 548578), (206, 346190), (260, 274289), (412, 173095), (515, 138476), (1030, 69238), (1339, 53260), (2060, 34619), (2663, 26780), (2678, 26630), (5326, 13390), (5356, 13315), (6695, 10652)]