5128960

素因数分解:

$2^8\times 5^1\times {\mathrm{4007}}^1$

素因数の和:4028

約数の個数: 36

約数和(自身を含む): 12288528

約数和(自身を除く): 7159568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 4007, 8014, 16028, 20035, 32056, 40070, 64112, 80140, 128224, 160280, 256448, 320560, 512896, 641120, 1025792, 1282240, 2564480, 5128960]

約数ペア:

[(1, 5128960), (2, 2564480), (4, 1282240), (5, 1025792), (8, 641120), (10, 512896), (16, 320560), (20, 256448), (32, 160280), (40, 128224), (64, 80140), (80, 64112), (128, 40070), (160, 32056), (256, 20035), (320, 16028), (640, 8014), (1280, 4007)]