80854040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118903}}^1$

素因数の和:118931

約数の個数: 32

約数和(自身を含む): 192624480

約数和(自身を除く): 111770440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 118903, 237806, 475612, 594515, 951224, 1189030, 2021351, 2378060, 4042702, 4756120, 8085404, 10106755, 16170808, 20213510, 40427020, 80854040]

約数ペア:

[(1, 80854040), (2, 40427020), (4, 20213510), (5, 16170808), (8, 10106755), (10, 8085404), (17, 4756120), (20, 4042702), (34, 2378060), (40, 2021351), (68, 1189030), (85, 951224), (136, 594515), (170, 475612), (340, 237806), (680, 118903)]