8337920

素因数分解:

$2^9\times 5^1\times {\mathrm{3257}}^1$

素因数の和:3280

約数の個数: 40

約数和(自身を含む): 19997604

約数和(自身を除く): 11659684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 3257, 6514, 13028, 16285, 26056, 32570, 52112, 65140, 104224, 130280, 208448, 260560, 416896, 521120, 833792, 1042240, 1667584, 2084480, 4168960, 8337920]

約数ペア:

[(1, 8337920), (2, 4168960), (4, 2084480), (5, 1667584), (8, 1042240), (10, 833792), (16, 521120), (20, 416896), (32, 260560), (40, 208448), (64, 130280), (80, 104224), (128, 65140), (160, 52112), (256, 32570), (320, 26056), (512, 16285), (640, 13028), (1280, 6514), (2560, 3257)]