2142080

素因数分解:

$2^7\times 5^1\times {\mathrm{3347}}^1$

素因数の和:3366

約数の個数: 32

約数和(自身を含む): 5122440

約数和(自身を除く): 2980360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3347, 6694, 13388, 16735, 26776, 33470, 53552, 66940, 107104, 133880, 214208, 267760, 428416, 535520, 1071040, 2142080]

約数ペア:

[(1, 2142080), (2, 1071040), (4, 535520), (5, 428416), (8, 267760), (10, 214208), (16, 133880), (20, 107104), (32, 66940), (40, 53552), (64, 33470), (80, 26776), (128, 16735), (160, 13388), (320, 6694), (640, 3347)]