788202260

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{61291}}^1$

素因数の和:61943

約数の個数: 24

約数和(自身を含む): 1657826016

約数和(自身を除く): 869623756

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 61291, 122582, 245164, 306455, 612910, 1225820, 39410113, 78820226, 157640452, 197050565, 394101130, 788202260]

約数ペア:

[(1, 788202260), (2, 394101130), (4, 197050565), (5, 157640452), (10, 78820226), (20, 39410113), (643, 1225820), (1286, 612910), (2572, 306455), (3215, 245164), (6430, 122582), (12860, 61291)]