86999720

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16603}}^1$

素因数の和:16745

約数の個数: 32

約数和(自身を含む): 197255520

約数和(自身を除く): 110255800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 16603, 33206, 66412, 83015, 132824, 166030, 332060, 664120, 2174993, 4349986, 8699972, 10874965, 17399944, 21749930, 43499860, 86999720]

約数ペア:

[(1, 86999720), (2, 43499860), (4, 21749930), (5, 17399944), (8, 10874965), (10, 8699972), (20, 4349986), (40, 2174993), (131, 664120), (262, 332060), (524, 166030), (655, 132824), (1048, 83015), (1310, 66412), (2620, 33206), (5240, 16603)]