12890120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14011}}^1$

素因数の和:14045

約数の個数: 32

約数和(自身を含む): 30265920

約数和(自身を除く): 17375800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 14011, 28022, 56044, 70055, 112088, 140110, 280220, 322253, 560440, 644506, 1289012, 1611265, 2578024, 3222530, 6445060, 12890120]

約数ペア:

[(1, 12890120), (2, 6445060), (4, 3222530), (5, 2578024), (8, 1611265), (10, 1289012), (20, 644506), (23, 560440), (40, 322253), (46, 280220), (92, 140110), (115, 112088), (184, 70055), (230, 56044), (460, 28022), (920, 14011)]