16430420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10399}}^1$

素因数の和:10487

約数の個数: 24

約数和(自身を含む): 34944000

約数和(自身を除く): 18513580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 10399, 20798, 41596, 51995, 103990, 207980, 821521, 1643042, 3286084, 4107605, 8215210, 16430420]

約数ペア:

[(1, 16430420), (2, 8215210), (4, 4107605), (5, 3286084), (10, 1643042), (20, 821521), (79, 207980), (158, 103990), (316, 51995), (395, 41596), (790, 20798), (1580, 10399)]