65816240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{117529}}^1$

素因数の和:117549

約数の個数: 40

約数和(自身を含む): 174884640

約数和(自身を除く): 109068400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 117529, 235058, 470116, 587645, 822703, 940232, 1175290, 1645406, 1880464, 2350580, 3290812, 4113515, 4701160, 6581624, 8227030, 9402320, 13163248, 16454060, 32908120, 65816240]

約数ペア:

[(1, 65816240), (2, 32908120), (4, 16454060), (5, 13163248), (7, 9402320), (8, 8227030), (10, 6581624), (14, 4701160), (16, 4113515), (20, 3290812), (28, 2350580), (35, 1880464), (40, 1645406), (56, 1175290), (70, 940232), (80, 822703), (112, 587645), (140, 470116), (280, 235058), (560, 117529)]