42108880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 108028800

約数和(自身を除く): 65919920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 436, 439, 440, 545, 872, 878, 880, 1090, 1199, 1744, 1756, 2180, 2195, 2398, 3512, 4360, 4390, 4796, 4829, 5995, 7024, 8720, 8780, 9592, 9658, 11990, 17560, 19184, 19316, 23980, 24145, 35120, 38632, 47851, 47960, 48290, 77264, 95702, 95920, 96580, 191404, 193160, 239255, 382808, 386320, 478510, 526361, 765616, 957020, 1052722, 1914040, 2105444, 2631805, 3828080, 4210888, 5263610, 8421776, 10527220, 21054440, 42108880]

約数ペア:

[(1, 42108880), (2, 21054440), (4, 10527220), (5, 8421776), (8, 5263610), (10, 4210888), (11, 3828080), (16, 2631805), (20, 2105444), (22, 1914040), (40, 1052722), (44, 957020), (55, 765616), (80, 526361), (88, 478510), (109, 386320), (110, 382808), (176, 239255), (218, 193160), (220, 191404), (436, 96580), (439, 95920), (440, 95702), (545, 77264), (872, 48290), (878, 47960), (880, 47851), (1090, 38632), (1199, 35120), (1744, 24145), (1756, 23980), (2180, 19316), (2195, 19184), (2398, 17560), (3512, 11990), (4360, 9658), (4390, 9592), (4796, 8780), (4829, 8720), (5995, 7024)]