71310980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3863}}^1$

素因数の和:3956

約数の個数: 48

約数和(自身を含む): 163586304

約数和(自身を除く): 92275324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 3863, 4615, 7726, 9230, 15452, 18460, 19315, 38630, 50219, 77260, 100438, 200876, 251095, 274273, 502190, 548546, 1004380, 1097092, 1371365, 2742730, 3565549, 5485460, 7131098, 14262196, 17827745, 35655490, 71310980]

約数ペア:

[(1, 71310980), (2, 35655490), (4, 17827745), (5, 14262196), (10, 7131098), (13, 5485460), (20, 3565549), (26, 2742730), (52, 1371365), (65, 1097092), (71, 1004380), (130, 548546), (142, 502190), (260, 274273), (284, 251095), (355, 200876), (710, 100438), (923, 77260), (1420, 50219), (1846, 38630), (3692, 19315), (3863, 18460), (4615, 15452), (7726, 9230)]