885440

素因数分解:

$2^6\times 5^1\times {\mathrm{2767}}^1$

素因数の和:2784

約数の個数: 28

約数和(自身を含む): 2109216

約数和(自身を除く): 1223776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2767, 5534, 11068, 13835, 22136, 27670, 44272, 55340, 88544, 110680, 177088, 221360, 442720, 885440]

約数ペア:

[(1, 885440), (2, 442720), (4, 221360), (5, 177088), (8, 110680), (10, 88544), (16, 55340), (20, 44272), (32, 27670), (40, 22136), (64, 13835), (80, 11068), (160, 5534), (320, 2767)]