70939720

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{3391}}^1$

素因数の和:3925

約数の個数: 32

約数和(自身を含む): 159966720

約数和(自身を除く): 89027000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 3391, 4184, 5230, 6782, 10460, 13564, 16955, 20920, 27128, 33910, 67820, 135640, 1773493, 3546986, 7093972, 8867465, 14187944, 17734930, 35469860, 70939720]

約数ペア:

[(1, 70939720), (2, 35469860), (4, 17734930), (5, 14187944), (8, 8867465), (10, 7093972), (20, 3546986), (40, 1773493), (523, 135640), (1046, 67820), (2092, 33910), (2615, 27128), (3391, 20920), (4184, 16955), (5230, 13564), (6782, 10460)]