64323520

素因数分解:

$2^6\times 5^1\times {\mathrm{201011}}^1$

素因数の和:201028

約数の個数: 28

約数和(自身を含む): 153171144

約数和(自身を除く): 88847624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 201011, 402022, 804044, 1005055, 1608088, 2010110, 3216176, 4020220, 6432352, 8040440, 12864704, 16080880, 32161760, 64323520]

約数ペア:

[(1, 64323520), (2, 32161760), (4, 16080880), (5, 12864704), (8, 8040440), (10, 6432352), (16, 4020220), (20, 3216176), (32, 2010110), (40, 1608088), (64, 1005055), (80, 804044), (160, 402022), (320, 201011)]