22511360

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 55310640

約数和(自身を除く): 32799280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 409, 430, 640, 688, 818, 860, 1280, 1376, 1636, 1720, 2045, 2752, 3272, 3440, 4090, 5504, 6544, 6880, 8180, 11008, 13088, 13760, 16360, 17587, 26176, 27520, 32720, 35174, 52352, 55040, 65440, 70348, 87935, 104704, 130880, 140696, 175870, 261760, 281392, 351740, 523520, 562784, 703480, 1125568, 1406960, 2251136, 2813920, 4502272, 5627840, 11255680, 22511360]

約数ペア:

[(1, 22511360), (2, 11255680), (4, 5627840), (5, 4502272), (8, 2813920), (10, 2251136), (16, 1406960), (20, 1125568), (32, 703480), (40, 562784), (43, 523520), (64, 351740), (80, 281392), (86, 261760), (128, 175870), (160, 140696), (172, 130880), (215, 104704), (256, 87935), (320, 70348), (344, 65440), (409, 55040), (430, 52352), (640, 35174), (688, 32720), (818, 27520), (860, 26176), (1280, 17587), (1376, 16360), (1636, 13760), (1720, 13088), (2045, 11008), (2752, 8180), (3272, 6880), (3440, 6544), (4090, 5504)]