28433920

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:435

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 42275840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 383, 464, 512, 580, 640, 766, 928, 1160, 1280, 1532, 1856, 1915, 2320, 2560, 3064, 3712, 3830, 4640, 6128, 7424, 7660, 9280, 11107, 12256, 14848, 15320, 18560, 22214, 24512, 30640, 37120, 44428, 49024, 55535, 61280, 74240, 88856, 98048, 111070, 122560, 177712, 196096, 222140, 245120, 355424, 444280, 490240, 710848, 888560, 980480, 1421696, 1777120, 2843392, 3554240, 5686784, 7108480, 14216960, 28433920]

約数ペア:

[(1, 28433920), (2, 14216960), (4, 7108480), (5, 5686784), (8, 3554240), (10, 2843392), (16, 1777120), (20, 1421696), (29, 980480), (32, 888560), (40, 710848), (58, 490240), (64, 444280), (80, 355424), (116, 245120), (128, 222140), (145, 196096), (160, 177712), (232, 122560), (256, 111070), (290, 98048), (320, 88856), (383, 74240), (464, 61280), (512, 55535), (580, 49024), (640, 44428), (766, 37120), (928, 30640), (1160, 24512), (1280, 22214), (1532, 18560), (1856, 15320), (1915, 14848), (2320, 12256), (2560, 11107), (3064, 9280), (3712, 7660), (3830, 7424), (4640, 6128)]