78916480

素因数分解:

$2^7\times 5^1\times {\mathrm{123307}}^1$

素因数の和:123326

約数の個数: 32

約数和(自身を含む): 188661240

約数和(自身を除く): 109744760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 123307, 246614, 493228, 616535, 986456, 1233070, 1972912, 2466140, 3945824, 4932280, 7891648, 9864560, 15783296, 19729120, 39458240, 78916480]

約数ペア:

[(1, 78916480), (2, 39458240), (4, 19729120), (5, 15783296), (8, 9864560), (10, 7891648), (16, 4932280), (20, 3945824), (32, 2466140), (40, 1972912), (64, 1233070), (80, 986456), (128, 616535), (160, 493228), (320, 246614), (640, 123307)]