81921760

素因数分解:

$2^5\times 5^1\times {\mathrm{512011}}^1$

素因数の和:512026

約数の個数: 24

約数和(自身を含む): 193540536

約数和(自身を除く): 111618776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 512011, 1024022, 2048044, 2560055, 4096088, 5120110, 8192176, 10240220, 16384352, 20480440, 40960880, 81921760]

約数ペア:

[(1, 81921760), (2, 40960880), (4, 20480440), (5, 16384352), (8, 10240220), (10, 8192176), (16, 5120110), (20, 4096088), (32, 2560055), (40, 2048044), (80, 1024022), (160, 512011)]