28356800

素因数分解:

$2^6\times 5^2\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:538

約数の個数: 84

約数和(自身を含む): 71810880

約数和(自身を除く): 43454080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 148, 160, 185, 200, 296, 320, 370, 400, 479, 592, 740, 800, 925, 958, 1184, 1480, 1600, 1850, 1916, 2368, 2395, 2960, 3700, 3832, 4790, 5920, 7400, 7664, 9580, 11840, 11975, 14800, 15328, 17723, 19160, 23950, 29600, 30656, 35446, 38320, 47900, 59200, 70892, 76640, 88615, 95800, 141784, 153280, 177230, 191600, 283568, 354460, 383200, 443075, 567136, 708920, 766400, 886150, 1134272, 1417840, 1772300, 2835680, 3544600, 5671360, 7089200, 14178400, 28356800]

約数ペア:

[(1, 28356800), (2, 14178400), (4, 7089200), (5, 5671360), (8, 3544600), (10, 2835680), (16, 1772300), (20, 1417840), (25, 1134272), (32, 886150), (37, 766400), (40, 708920), (50, 567136), (64, 443075), (74, 383200), (80, 354460), (100, 283568), (148, 191600), (160, 177230), (185, 153280), (200, 141784), (296, 95800), (320, 88615), (370, 76640), (400, 70892), (479, 59200), (592, 47900), (740, 38320), (800, 35446), (925, 30656), (958, 29600), (1184, 23950), (1480, 19160), (1600, 17723), (1850, 15328), (1916, 14800), (2368, 11975), (2395, 11840), (2960, 9580), (3700, 7664), (3832, 7400), (4790, 5920)]