89479780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{344153}}^1$

素因数の和:344175

約数の個数: 24

約数和(自身を含む): 202362552

約数和(自身を除く): 112882772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 344153, 688306, 1376612, 1720765, 3441530, 4473989, 6883060, 8947978, 17895956, 22369945, 44739890, 89479780]

約数ペア:

[(1, 89479780), (2, 44739890), (4, 22369945), (5, 17895956), (10, 8947978), (13, 6883060), (20, 4473989), (26, 3441530), (52, 1720765), (65, 1376612), (130, 688306), (260, 344153)]