71780540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{276079}}^1$

素因数の和:276101

約数の個数: 24

約数和(自身を含む): 162335040

約数和(自身を除く): 90554500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 276079, 552158, 1104316, 1380395, 2760790, 3589027, 5521580, 7178054, 14356108, 17945135, 35890270, 71780540]

約数ペア:

[(1, 71780540), (2, 35890270), (4, 17945135), (5, 14356108), (10, 7178054), (13, 5521580), (20, 3589027), (26, 2760790), (52, 1380395), (65, 1104316), (130, 552158), (260, 276079)]