2194780745680

素因数分解:

$2^4\times 5^1\times {\mathrm{27434759321}}^1$

素因数の和:27434759334

約数の個数: 20

約数和(自身を含む): 5102865233892

約数和(自身を除く): 2908084488212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27434759321, 54869518642, 109739037284, 137173796605, 219478074568, 274347593210, 438956149136, 548695186420, 1097390372840, 2194780745680]

約数ペア:

[(1, 2194780745680), (2, 1097390372840), (4, 548695186420), (5, 438956149136), (8, 274347593210), (10, 219478074568), (16, 137173796605), (20, 109739037284), (40, 54869518642), (80, 27434759321)]