321760

素因数分解:

$2^5\times 5^1\times {\mathrm{2011}}^1$

素因数の和:2026

約数の個数: 24

約数和(自身を含む): 760536

約数和(自身を除く): 438776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2011, 4022, 8044, 10055, 16088, 20110, 32176, 40220, 64352, 80440, 160880, 321760]

約数ペア:

[(1, 321760), (2, 160880), (4, 80440), (5, 64352), (8, 40220), (10, 32176), (16, 20110), (20, 16088), (32, 10055), (40, 8044), (80, 4022), (160, 2011)]