1652480

素因数分解:

$2^8\times 5^1\times {\mathrm{1291}}^1$

素因数の和:1312

約数の個数: 36

約数和(自身を含む): 3961272

約数和(自身を除く): 2308792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1291, 2582, 5164, 6455, 10328, 12910, 20656, 25820, 41312, 51640, 82624, 103280, 165248, 206560, 330496, 413120, 826240, 1652480]

約数ペア:

[(1, 1652480), (2, 826240), (4, 413120), (5, 330496), (8, 206560), (10, 165248), (16, 103280), (20, 82624), (32, 51640), (40, 41312), (64, 25820), (80, 20656), (128, 12910), (160, 10328), (256, 6455), (320, 5164), (640, 2582), (1280, 1291)]