9908480

素因数分解:

$2^8\times 5^1\times {\mathrm{7741}}^1$

素因数の和:7762

約数の個数: 36

約数和(自身を含む): 23736972

約数和(自身を除く): 13828492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 7741, 15482, 30964, 38705, 61928, 77410, 123856, 154820, 247712, 309640, 495424, 619280, 990848, 1238560, 1981696, 2477120, 4954240, 9908480]

約数ペア:

[(1, 9908480), (2, 4954240), (4, 2477120), (5, 1981696), (8, 1238560), (10, 990848), (16, 619280), (20, 495424), (32, 309640), (40, 247712), (64, 154820), (80, 123856), (128, 77410), (160, 61928), (256, 38705), (320, 30964), (640, 15482), (1280, 7741)]