71345680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127403}}^1$

素因数の和:127423

約数の個数: 40

約数和(自身を含む): 189577152

約数和(自身を除く): 118231472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 127403, 254806, 509612, 637015, 891821, 1019224, 1274030, 1783642, 2038448, 2548060, 3567284, 4459105, 5096120, 7134568, 8918210, 10192240, 14269136, 17836420, 35672840, 71345680]

約数ペア:

[(1, 71345680), (2, 35672840), (4, 17836420), (5, 14269136), (7, 10192240), (8, 8918210), (10, 7134568), (14, 5096120), (16, 4459105), (20, 3567284), (28, 2548060), (35, 2038448), (40, 1783642), (56, 1274030), (70, 1019224), (80, 891821), (112, 637015), (140, 509612), (280, 254806), (560, 127403)]