64656440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{95083}}^1$

素因数の和:95111

約数の個数: 32

約数和(自身を含む): 154036080

約数和(自身を除く): 89379640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 95083, 190166, 380332, 475415, 760664, 950830, 1616411, 1901660, 3232822, 3803320, 6465644, 8082055, 12931288, 16164110, 32328220, 64656440]

約数ペア:

[(1, 64656440), (2, 32328220), (4, 16164110), (5, 12931288), (8, 8082055), (10, 6465644), (17, 3803320), (20, 3232822), (34, 1901660), (40, 1616411), (68, 950830), (85, 760664), (136, 475415), (170, 380332), (340, 190166), (680, 95083)]