71854820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{53623}}^1$

素因数の和:53699

約数の個数: 24

約数和(自身を含む): 153150144

約数和(自身を除く): 81295324

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 53623, 107246, 214492, 268115, 536230, 1072460, 3592741, 7185482, 14370964, 17963705, 35927410, 71854820]

約数ペア:

[(1, 71854820), (2, 35927410), (4, 17963705), (5, 14370964), (10, 7185482), (20, 3592741), (67, 1072460), (134, 536230), (268, 268115), (335, 214492), (670, 107246), (1340, 53623)]