16920320

素因数分解:

$2^8\times 5^1\times {\mathrm{13219}}^1$

素因数の和:13240

約数の個数: 36

約数和(自身を含む): 40532520

約数和(自身を除く): 23612200

約数列:

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

約数ペア:

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