25304560

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4721}}^1$

素因数の和:4801

約数の個数: 40

約数和(自身を含む): 59723856

約数和(自身を除く): 34419296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 4721, 5360, 9442, 18884, 23605, 37768, 47210, 75536, 94420, 188840, 316307, 377680, 632614, 1265228, 1581535, 2530456, 3163070, 5060912, 6326140, 12652280, 25304560]

約数ペア:

[(1, 25304560), (2, 12652280), (4, 6326140), (5, 5060912), (8, 3163070), (10, 2530456), (16, 1581535), (20, 1265228), (40, 632614), (67, 377680), (80, 316307), (134, 188840), (268, 94420), (335, 75536), (536, 47210), (670, 37768), (1072, 23605), (1340, 18884), (2680, 9442), (4721, 5360)]