20161225160

素因数分解:

$2^3\times 5^1\times {\mathrm{2731}}^1\times {\mathrm{184559}}^1$

素因数の和:187301

約数の個数: 32

約数和(自身を含む): 45379612800

約数和(自身を除く): 25218387640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2731, 5462, 10924, 13655, 21848, 27310, 54620, 109240, 184559, 369118, 738236, 922795, 1476472, 1845590, 3691180, 7382360, 504030629, 1008061258, 2016122516, 2520153145, 4032245032, 5040306290, 10080612580, 20161225160]

約数ペア:

[(1, 20161225160), (2, 10080612580), (4, 5040306290), (5, 4032245032), (8, 2520153145), (10, 2016122516), (20, 1008061258), (40, 504030629), (2731, 7382360), (5462, 3691180), (10924, 1845590), (13655, 1476472), (21848, 922795), (27310, 738236), (54620, 369118), (109240, 184559)]