77281240

素因数分解:

$2^3\times 5^1\times {\mathrm{877}}^1\times {\mathrm{2203}}^1$

素因数の和:3091

約数の個数: 32

約数和(自身を含む): 174160080

約数和(自身を除く): 96878840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 877, 1754, 2203, 3508, 4385, 4406, 7016, 8770, 8812, 11015, 17540, 17624, 22030, 35080, 44060, 88120, 1932031, 3864062, 7728124, 9660155, 15456248, 19320310, 38640620, 77281240]

約数ペア:

[(1, 77281240), (2, 38640620), (4, 19320310), (5, 15456248), (8, 9660155), (10, 7728124), (20, 3864062), (40, 1932031), (877, 88120), (1754, 44060), (2203, 35080), (3508, 22030), (4385, 17624), (4406, 17540), (7016, 11015), (8770, 8812)]