540160

素因数分解:

$2^9\times 5^1\times {\mathrm{211}}^1$

素因数の和:234

約数の個数: 40

約数和(自身を含む): 1301256

約数和(自身を除く): 761096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 256, 320, 422, 512, 640, 844, 1055, 1280, 1688, 2110, 2560, 3376, 4220, 6752, 8440, 13504, 16880, 27008, 33760, 54016, 67520, 108032, 135040, 270080, 540160]

約数ペア:

[(1, 540160), (2, 270080), (4, 135040), (5, 108032), (8, 67520), (10, 54016), (16, 33760), (20, 27008), (32, 16880), (40, 13504), (64, 8440), (80, 6752), (128, 4220), (160, 3376), (211, 2560), (256, 2110), (320, 1688), (422, 1280), (512, 1055), (640, 844)]