89801120

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5557}}^1$

素因数の和:5673

約数の個数: 48

約数和(自身を含む): 214294248

約数和(自身を除く): 124493128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 5557, 8080, 11114, 16160, 22228, 27785, 44456, 55570, 88912, 111140, 177824, 222280, 444560, 561257, 889120, 1122514, 2245028, 2806285, 4490056, 5612570, 8980112, 11225140, 17960224, 22450280, 44900560, 89801120]

約数ペア:

[(1, 89801120), (2, 44900560), (4, 22450280), (5, 17960224), (8, 11225140), (10, 8980112), (16, 5612570), (20, 4490056), (32, 2806285), (40, 2245028), (80, 1122514), (101, 889120), (160, 561257), (202, 444560), (404, 222280), (505, 177824), (808, 111140), (1010, 88912), (1616, 55570), (2020, 44456), (3232, 27785), (4040, 22228), (5557, 16160), (8080, 11114)]