85300720

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2659}}^1$

素因数の和:3073

約数の個数: 40

約数和(自身を含む): 198893520

約数和(自身を除く): 113592800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 2659, 3208, 4010, 5318, 6416, 8020, 10636, 13295, 16040, 21272, 26590, 32080, 42544, 53180, 106360, 212720, 1066259, 2132518, 4265036, 5331295, 8530072, 10662590, 17060144, 21325180, 42650360, 85300720]

約数ペア:

[(1, 85300720), (2, 42650360), (4, 21325180), (5, 17060144), (8, 10662590), (10, 8530072), (16, 5331295), (20, 4265036), (40, 2132518), (80, 1066259), (401, 212720), (802, 106360), (1604, 53180), (2005, 42544), (2659, 32080), (3208, 26590), (4010, 21272), (5318, 16040), (6416, 13295), (8020, 10636)]