39260720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 95163552

約数和(自身を除く): 55902832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 101, 113, 172, 202, 215, 226, 344, 404, 430, 452, 505, 565, 688, 808, 860, 904, 1010, 1130, 1616, 1720, 1808, 2020, 2260, 3440, 4040, 4343, 4520, 4859, 8080, 8686, 9040, 9718, 11413, 17372, 19436, 21715, 22826, 24295, 34744, 38872, 43430, 45652, 48590, 57065, 69488, 77744, 86860, 91304, 97180, 114130, 173720, 182608, 194360, 228260, 347440, 388720, 456520, 490759, 913040, 981518, 1963036, 2453795, 3926072, 4907590, 7852144, 9815180, 19630360, 39260720]

約数ペア:

[(1, 39260720), (2, 19630360), (4, 9815180), (5, 7852144), (8, 4907590), (10, 3926072), (16, 2453795), (20, 1963036), (40, 981518), (43, 913040), (80, 490759), (86, 456520), (101, 388720), (113, 347440), (172, 228260), (202, 194360), (215, 182608), (226, 173720), (344, 114130), (404, 97180), (430, 91304), (452, 86860), (505, 77744), (565, 69488), (688, 57065), (808, 48590), (860, 45652), (904, 43430), (1010, 38872), (1130, 34744), (1616, 24295), (1720, 22826), (1808, 21715), (2020, 19436), (2260, 17372), (3440, 11413), (4040, 9718), (4343, 9040), (4520, 8686), (4859, 8080)]