2564480

素因数分解:

$2^7\times 5^1\times {\mathrm{4007}}^1$

素因数の和:4026

約数の個数: 32

約数和(自身を含む): 6132240

約数和(自身を除く): 3567760

約数列:

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

約数ペア:

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