12821623580

素因数分解:

$2^2\times 5^1\times {\mathrm{7951}}^1\times {\mathrm{80629}}^1$

素因数の和:88589

約数の個数: 24

約数和(自身を含む): 26929129920

約数和(自身を除く): 14107506340

約数列:

[1, 2, 4, 5, 10, 20, 7951, 15902, 31804, 39755, 79510, 80629, 159020, 161258, 322516, 403145, 806290, 1612580, 641081179, 1282162358, 2564324716, 3205405895, 6410811790, 12821623580]

約数ペア:

[(1, 12821623580), (2, 6410811790), (4, 3205405895), (5, 2564324716), (10, 1282162358), (20, 641081179), (7951, 1612580), (15902, 806290), (31804, 403145), (39755, 322516), (79510, 161258), (80629, 159020)]