25005280

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1193}}^1$

素因数の和:1339

約数の個数: 48

約数和(自身を含む): 59575824

約数和(自身を除く): 34570544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1193, 1310, 2096, 2386, 2620, 4192, 4772, 5240, 5965, 9544, 10480, 11930, 19088, 20960, 23860, 38176, 47720, 95440, 156283, 190880, 312566, 625132, 781415, 1250264, 1562830, 2500528, 3125660, 5001056, 6251320, 12502640, 25005280]

約数ペア:

[(1, 25005280), (2, 12502640), (4, 6251320), (5, 5001056), (8, 3125660), (10, 2500528), (16, 1562830), (20, 1250264), (32, 781415), (40, 625132), (80, 312566), (131, 190880), (160, 156283), (262, 95440), (524, 47720), (655, 38176), (1048, 23860), (1193, 20960), (1310, 19088), (2096, 11930), (2386, 10480), (2620, 9544), (4192, 5965), (4772, 5240)]