25518880

素因数分解:

$2^5\times 5^1\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 60593400

約数和(自身を除く): 35074520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 349, 457, 698, 914, 1396, 1745, 1828, 2285, 2792, 3490, 3656, 4570, 5584, 6980, 7312, 9140, 11168, 13960, 14624, 18280, 27920, 36560, 55840, 73120, 159493, 318986, 637972, 797465, 1275944, 1594930, 2551888, 3189860, 5103776, 6379720, 12759440, 25518880]

約数ペア:

[(1, 25518880), (2, 12759440), (4, 6379720), (5, 5103776), (8, 3189860), (10, 2551888), (16, 1594930), (20, 1275944), (32, 797465), (40, 637972), (80, 318986), (160, 159493), (349, 73120), (457, 55840), (698, 36560), (914, 27920), (1396, 18280), (1745, 14624), (1828, 13960), (2285, 11168), (2792, 9140), (3490, 7312), (3656, 6980), (4570, 5584)]