25869920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9511}}^1$

素因数の和:9543

約数の個数: 48

約数和(自身を含む): 64719648

約数和(自身を除く): 38849728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 9511, 19022, 38044, 47555, 76088, 95110, 152176, 161687, 190220, 304352, 323374, 380440, 646748, 760880, 808435, 1293496, 1521760, 1616870, 2586992, 3233740, 5173984, 6467480, 12934960, 25869920]

約数ペア:

[(1, 25869920), (2, 12934960), (4, 6467480), (5, 5173984), (8, 3233740), (10, 2586992), (16, 1616870), (17, 1521760), (20, 1293496), (32, 808435), (34, 760880), (40, 646748), (68, 380440), (80, 323374), (85, 304352), (136, 190220), (160, 161687), (170, 152176), (272, 95110), (340, 76088), (544, 47555), (680, 38044), (1360, 19022), (2720, 9511)]