2008960

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 4981680

約数和(自身を除く): 2972720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 73, 80, 86, 128, 146, 160, 172, 215, 292, 320, 344, 365, 430, 584, 640, 688, 730, 860, 1168, 1376, 1460, 1720, 2336, 2752, 2920, 3139, 3440, 4672, 5504, 5840, 6278, 6880, 9344, 11680, 12556, 13760, 15695, 23360, 25112, 27520, 31390, 46720, 50224, 62780, 100448, 125560, 200896, 251120, 401792, 502240, 1004480, 2008960]

約数ペア:

[(1, 2008960), (2, 1004480), (4, 502240), (5, 401792), (8, 251120), (10, 200896), (16, 125560), (20, 100448), (32, 62780), (40, 50224), (43, 46720), (64, 31390), (73, 27520), (80, 25112), (86, 23360), (128, 15695), (146, 13760), (160, 12556), (172, 11680), (215, 9344), (292, 6880), (320, 6278), (344, 5840), (365, 5504), (430, 4672), (584, 3440), (640, 3139), (688, 2920), (730, 2752), (860, 2336), (1168, 1720), (1376, 1460)]