71547580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{275183}}^1$

素因数の和:275205

約数の個数: 24

約数和(自身を含む): 161808192

約数和(自身を除く): 90260612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 275183, 550366, 1100732, 1375915, 2751830, 3577379, 5503660, 7154758, 14309516, 17886895, 35773790, 71547580]

約数ペア:

[(1, 71547580), (2, 35773790), (4, 17886895), (5, 14309516), (10, 7154758), (13, 5503660), (20, 3577379), (26, 2751830), (52, 1375915), (65, 1100732), (130, 550366), (260, 275183)]