42545120

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1913}}^1$

素因数の和:2067

約数の個数: 48

約数和(自身を含む): 101288880

約数和(自身を除く): 58743760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 1913, 2224, 2780, 3826, 4448, 5560, 7652, 9565, 11120, 15304, 19130, 22240, 30608, 38260, 61216, 76520, 153040, 265907, 306080, 531814, 1063628, 1329535, 2127256, 2659070, 4254512, 5318140, 8509024, 10636280, 21272560, 42545120]

約数ペア:

[(1, 42545120), (2, 21272560), (4, 10636280), (5, 8509024), (8, 5318140), (10, 4254512), (16, 2659070), (20, 2127256), (32, 1329535), (40, 1063628), (80, 531814), (139, 306080), (160, 265907), (278, 153040), (556, 76520), (695, 61216), (1112, 38260), (1390, 30608), (1913, 22240), (2224, 19130), (2780, 15304), (3826, 11120), (4448, 9565), (5560, 7652)]