25429760

素因数分解:

$2^8\times 5^1\times {\mathrm{19867}}^1$

素因数の和:19888

約数の個数: 36

約数和(自身を含む): 60915288

約数和(自身を除く): 35485528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 19867, 39734, 79468, 99335, 158936, 198670, 317872, 397340, 635744, 794680, 1271488, 1589360, 2542976, 3178720, 5085952, 6357440, 12714880, 25429760]

約数ペア:

[(1, 25429760), (2, 12714880), (4, 6357440), (5, 5085952), (8, 3178720), (10, 2542976), (16, 1589360), (20, 1271488), (32, 794680), (40, 635744), (64, 397340), (80, 317872), (128, 198670), (160, 158936), (256, 99335), (320, 79468), (640, 39734), (1280, 19867)]