39656960

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{2213}}^1$

素因数の和:2243

約数の個数: 80

約数和(自身を含む): 108716256

約数和(自身を除く): 69059296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2213, 2240, 2560, 3584, 4426, 4480, 8852, 8960, 11065, 15491, 17704, 17920, 22130, 30982, 35408, 44260, 61964, 70816, 77455, 88520, 123928, 141632, 154910, 177040, 247856, 283264, 309820, 354080, 495712, 566528, 619640, 708160, 991424, 1133056, 1239280, 1416320, 1982848, 2478560, 2832640, 3965696, 4957120, 5665280, 7931392, 9914240, 19828480, 39656960]

約数ペア:

[(1, 39656960), (2, 19828480), (4, 9914240), (5, 7931392), (7, 5665280), (8, 4957120), (10, 3965696), (14, 2832640), (16, 2478560), (20, 1982848), (28, 1416320), (32, 1239280), (35, 1133056), (40, 991424), (56, 708160), (64, 619640), (70, 566528), (80, 495712), (112, 354080), (128, 309820), (140, 283264), (160, 247856), (224, 177040), (256, 154910), (280, 141632), (320, 123928), (448, 88520), (512, 77455), (560, 70816), (640, 61964), (896, 44260), (1120, 35408), (1280, 30982), (1792, 22130), (2213, 17920), (2240, 17704), (2560, 15491), (3584, 11065), (4426, 8960), (4480, 8852)]