42318820

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3301}}^1$

素因数の和:3951

約数の個数: 24

約数和(自身を含む): 89035128

約数和(自身を除く): 46716308

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 3301, 6410, 6602, 12820, 13204, 16505, 33010, 66020, 2115941, 4231882, 8463764, 10579705, 21159410, 42318820]

約数ペア:

[(1, 42318820), (2, 21159410), (4, 10579705), (5, 8463764), (10, 4231882), (20, 2115941), (641, 66020), (1282, 33010), (2564, 16505), (3205, 13204), (3301, 12820), (6410, 6602)]