25435840

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{787}}^1$

素因数の和:905

約数の個数: 56

約数和(自身を含む): 61246512

約数和(自身を除く): 35810672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 787, 808, 1010, 1574, 1616, 2020, 3148, 3232, 3935, 4040, 6296, 6464, 7870, 8080, 12592, 15740, 16160, 25184, 31480, 32320, 50368, 62960, 79487, 125920, 158974, 251840, 317948, 397435, 635896, 794870, 1271792, 1589740, 2543584, 3179480, 5087168, 6358960, 12717920, 25435840]

約数ペア:

[(1, 25435840), (2, 12717920), (4, 6358960), (5, 5087168), (8, 3179480), (10, 2543584), (16, 1589740), (20, 1271792), (32, 794870), (40, 635896), (64, 397435), (80, 317948), (101, 251840), (160, 158974), (202, 125920), (320, 79487), (404, 62960), (505, 50368), (787, 32320), (808, 31480), (1010, 25184), (1574, 16160), (1616, 15740), (2020, 12592), (3148, 8080), (3232, 7870), (3935, 6464), (4040, 6296)]