51914240

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{2897}}^1$

素因数の和:2927

約数の個数: 80

約数和(自身を含む): 142303392

約数和(自身を除く): 90389152

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, 2240, 2560, 2897, 3584, 4480, 5794, 8960, 11588, 14485, 17920, 20279, 23176, 28970, 40558, 46352, 57940, 81116, 92704, 101395, 115880, 162232, 185408, 202790, 231760, 324464, 370816, 405580, 463520, 648928, 741632, 811160, 927040, 1297856, 1483264, 1622320, 1854080, 2595712, 3244640, 3708160, 5191424, 6489280, 7416320, 10382848, 12978560, 25957120, 51914240]

約数ペア:

[(1, 51914240), (2, 25957120), (4, 12978560), (5, 10382848), (7, 7416320), (8, 6489280), (10, 5191424), (14, 3708160), (16, 3244640), (20, 2595712), (28, 1854080), (32, 1622320), (35, 1483264), (40, 1297856), (56, 927040), (64, 811160), (70, 741632), (80, 648928), (112, 463520), (128, 405580), (140, 370816), (160, 324464), (224, 231760), (256, 202790), (280, 185408), (320, 162232), (448, 115880), (512, 101395), (560, 92704), (640, 81116), (896, 57940), (1120, 46352), (1280, 40558), (1792, 28970), (2240, 23176), (2560, 20279), (2897, 17920), (3584, 14485), (4480, 11588), (5794, 8960)]