67681280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13219}}^1$

素因数の和:13244

約数の個数: 44

約数和(自身を含む): 162368040

約数和(自身を除く): 94686760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 13219, 26438, 52876, 66095, 105752, 132190, 211504, 264380, 423008, 528760, 846016, 1057520, 1692032, 2115040, 3384064, 4230080, 6768128, 8460160, 13536256, 16920320, 33840640, 67681280]

約数ペア:

[(1, 67681280), (2, 33840640), (4, 16920320), (5, 13536256), (8, 8460160), (10, 6768128), (16, 4230080), (20, 3384064), (32, 2115040), (40, 1692032), (64, 1057520), (80, 846016), (128, 528760), (160, 423008), (256, 264380), (320, 211504), (512, 132190), (640, 105752), (1024, 66095), (1280, 52876), (2560, 26438), (5120, 13219)]