1986401920

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{24439}}^1$

素因数の和:24585

約数の個数: 64

約数和(自身を含む): 4786329600

約数和(自身を除く): 2799927680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 16256, 20320, 24439, 40640, 48878, 81280, 97756, 122195, 195512, 244390, 391024, 488780, 782048, 977560, 1564096, 1955120, 3103753, 3128192, 3910240, 6207506, 7820480, 12415012, 15518765, 15640960, 24830024, 31037530, 49660048, 62075060, 99320096, 124150120, 198640192, 248300240, 397280384, 496600480, 993200960, 1986401920]

約数ペア:

[(1, 1986401920), (2, 993200960), (4, 496600480), (5, 397280384), (8, 248300240), (10, 198640192), (16, 124150120), (20, 99320096), (32, 62075060), (40, 49660048), (64, 31037530), (80, 24830024), (127, 15640960), (128, 15518765), (160, 12415012), (254, 7820480), (320, 6207506), (508, 3910240), (635, 3128192), (640, 3103753), (1016, 1955120), (1270, 1564096), (2032, 977560), (2540, 782048), (4064, 488780), (5080, 391024), (8128, 244390), (10160, 195512), (16256, 122195), (20320, 97756), (24439, 81280), (40640, 48878)]