42665680

素因数分解:

$2^4\times 5^1\times {\mathrm{533321}}^1$

素因数の和:533334

約数の個数: 20

約数和(自身を含む): 99197892

約数和(自身を除く): 56532212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 533321, 1066642, 2133284, 2666605, 4266568, 5333210, 8533136, 10666420, 21332840, 42665680]

約数ペア:

[(1, 42665680), (2, 21332840), (4, 10666420), (5, 8533136), (8, 5333210), (10, 4266568), (16, 2666605), (20, 2133284), (40, 1066642), (80, 533321)]