4241920

素因数分解:

$2^9\times 5^1\times {\mathrm{1657}}^1$

素因数の和:1680

約数の個数: 40

約数和(自身を含む): 10176804

約数和(自身を除く): 5934884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1657, 2560, 3314, 6628, 8285, 13256, 16570, 26512, 33140, 53024, 66280, 106048, 132560, 212096, 265120, 424192, 530240, 848384, 1060480, 2120960, 4241920]

約数ペア:

[(1, 4241920), (2, 2120960), (4, 1060480), (5, 848384), (8, 530240), (10, 424192), (16, 265120), (20, 212096), (32, 132560), (40, 106048), (64, 66280), (80, 53024), (128, 33140), (160, 26512), (256, 16570), (320, 13256), (512, 8285), (640, 6628), (1280, 3314), (1657, 2560)]