67881580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1993}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 154766304

約数和(自身を除く): 86884724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 1993, 2620, 3406, 3986, 6812, 7972, 8515, 9965, 17030, 19930, 25909, 34060, 39860, 51818, 103636, 129545, 259090, 261083, 518180, 522166, 1044332, 1305415, 2610830, 3394079, 5221660, 6788158, 13576316, 16970395, 33940790, 67881580]

約数ペア:

[(1, 67881580), (2, 33940790), (4, 16970395), (5, 13576316), (10, 6788158), (13, 5221660), (20, 3394079), (26, 2610830), (52, 1305415), (65, 1044332), (130, 522166), (131, 518180), (260, 261083), (262, 259090), (524, 129545), (655, 103636), (1310, 51818), (1703, 39860), (1993, 34060), (2620, 25909), (3406, 19930), (3986, 17030), (6812, 9965), (7972, 8515)]