28910080

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:537

約数の個数: 80

約数和(自身を含む): 72477504

約数和(自身を除く): 43567424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 491, 512, 640, 736, 920, 982, 1280, 1472, 1840, 1964, 2455, 2560, 2944, 3680, 3928, 4910, 5888, 7360, 7856, 9820, 11293, 11776, 14720, 15712, 19640, 22586, 29440, 31424, 39280, 45172, 56465, 58880, 62848, 78560, 90344, 112930, 125696, 157120, 180688, 225860, 251392, 314240, 361376, 451720, 628480, 722752, 903440, 1256960, 1445504, 1806880, 2891008, 3613760, 5782016, 7227520, 14455040, 28910080]

約数ペア:

[(1, 28910080), (2, 14455040), (4, 7227520), (5, 5782016), (8, 3613760), (10, 2891008), (16, 1806880), (20, 1445504), (23, 1256960), (32, 903440), (40, 722752), (46, 628480), (64, 451720), (80, 361376), (92, 314240), (115, 251392), (128, 225860), (160, 180688), (184, 157120), (230, 125696), (256, 112930), (320, 90344), (368, 78560), (460, 62848), (491, 58880), (512, 56465), (640, 45172), (736, 39280), (920, 31424), (982, 29440), (1280, 22586), (1472, 19640), (1840, 15712), (1964, 14720), (2455, 11776), (2560, 11293), (2944, 9820), (3680, 7856), (3928, 7360), (4910, 5888)]