17640320

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 43219440

約数和(自身を除く): 25579120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 641, 688, 860, 1282, 1376, 1720, 2564, 2752, 3205, 3440, 5128, 5504, 6410, 6880, 10256, 12820, 13760, 20512, 25640, 27520, 27563, 41024, 51280, 55126, 82048, 102560, 110252, 137815, 205120, 220504, 275630, 410240, 441008, 551260, 882016, 1102520, 1764032, 2205040, 3528064, 4410080, 8820160, 17640320]

約数ペア:

[(1, 17640320), (2, 8820160), (4, 4410080), (5, 3528064), (8, 2205040), (10, 1764032), (16, 1102520), (20, 882016), (32, 551260), (40, 441008), (43, 410240), (64, 275630), (80, 220504), (86, 205120), (128, 137815), (160, 110252), (172, 102560), (215, 82048), (320, 55126), (344, 51280), (430, 41024), (640, 27563), (641, 27520), (688, 25640), (860, 20512), (1282, 13760), (1376, 12820), (1720, 10256), (2564, 6880), (2752, 6410), (3205, 5504), (3440, 5128)]