4190720

素因数分解:

$2^9\times 5^1\times {\mathrm{1637}}^1$

素因数の和:1660

約数の個数: 40

約数和(自身を含む): 10054044

約数和(自身を除く): 5863324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1637, 2560, 3274, 6548, 8185, 13096, 16370, 26192, 32740, 52384, 65480, 104768, 130960, 209536, 261920, 419072, 523840, 838144, 1047680, 2095360, 4190720]

約数ペア:

[(1, 4190720), (2, 2095360), (4, 1047680), (5, 838144), (8, 523840), (10, 419072), (16, 261920), (20, 209536), (32, 130960), (40, 104768), (64, 65480), (80, 52384), (128, 32740), (160, 26192), (256, 16370), (320, 13096), (512, 8185), (640, 6548), (1280, 3274), (1637, 2560)]