1282240

素因数分解:

$2^6\times 5^1\times {\mathrm{4007}}^1$

素因数の和:4024

約数の個数: 28

約数和(自身を含む): 3054096

約数和(自身を除く): 1771856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4007, 8014, 16028, 20035, 32056, 40070, 64112, 80140, 128224, 160280, 256448, 320560, 641120, 1282240]

約数ペア:

[(1, 1282240), (2, 641120), (4, 320560), (5, 256448), (8, 160280), (10, 128224), (16, 80140), (20, 64112), (32, 40070), (40, 32056), (64, 20035), (80, 16028), (160, 8014), (320, 4007)]