90045440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:477

約数の個数: 88

約数和(自身を含む): 221567280

約数和(自身を除く): 131521840

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, 512, 640, 688, 818, 860, 1024, 1280, 1376, 1636, 1720, 2045, 2560, 2752, 3272, 3440, 4090, 5120, 5504, 6544, 6880, 8180, 11008, 13088, 13760, 16360, 17587, 22016, 26176, 27520, 32720, 35174, 44032, 52352, 55040, 65440, 70348, 87935, 104704, 110080, 130880, 140696, 175870, 209408, 220160, 261760, 281392, 351740, 418816, 523520, 562784, 703480, 1047040, 1125568, 1406960, 2094080, 2251136, 2813920, 4502272, 5627840, 9004544, 11255680, 18009088, 22511360, 45022720, 90045440]

約数ペア:

[(1, 90045440), (2, 45022720), (4, 22511360), (5, 18009088), (8, 11255680), (10, 9004544), (16, 5627840), (20, 4502272), (32, 2813920), (40, 2251136), (43, 2094080), (64, 1406960), (80, 1125568), (86, 1047040), (128, 703480), (160, 562784), (172, 523520), (215, 418816), (256, 351740), (320, 281392), (344, 261760), (409, 220160), (430, 209408), (512, 175870), (640, 140696), (688, 130880), (818, 110080), (860, 104704), (1024, 87935), (1280, 70348), (1376, 65440), (1636, 55040), (1720, 52352), (2045, 44032), (2560, 35174), (2752, 32720), (3272, 27520), (3440, 26176), (4090, 22016), (5120, 17587), (5504, 16360), (6544, 13760), (6880, 13088), (8180, 11008)]