85752520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306259}}^1$

素因数の和:306277

約数の個数: 32

約数和(自身を含む): 220507200

約数和(自身を除く): 134754680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306259, 612518, 1225036, 1531295, 2143813, 2450072, 3062590, 4287626, 6125180, 8575252, 10719065, 12250360, 17150504, 21438130, 42876260, 85752520]

約数ペア:

[(1, 85752520), (2, 42876260), (4, 21438130), (5, 17150504), (7, 12250360), (8, 10719065), (10, 8575252), (14, 6125180), (20, 4287626), (28, 3062590), (35, 2450072), (40, 2143813), (56, 1531295), (70, 1225036), (140, 612518), (280, 306259)]