66548920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{31391}}^1$

素因数の和:31455

約数の個数: 32

約数和(自身を含む): 152565120

約数和(自身を除く): 86016200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 31391, 62782, 125564, 156955, 251128, 313910, 627820, 1255640, 1663723, 3327446, 6654892, 8318615, 13309784, 16637230, 33274460, 66548920]

約数ペア:

[(1, 66548920), (2, 33274460), (4, 16637230), (5, 13309784), (8, 8318615), (10, 6654892), (20, 3327446), (40, 1663723), (53, 1255640), (106, 627820), (212, 313910), (265, 251128), (424, 156955), (530, 125564), (1060, 62782), (2120, 31391)]