3749478220

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{292471}}^1$

素因数の和:293121

約数の個数: 24

約数和(自身を含む): 7886215008

約数和(自身を除く): 4136736788

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 292471, 584942, 1169884, 1462355, 2924710, 5849420, 187473911, 374947822, 749895644, 937369555, 1874739110, 3749478220]

約数ペア:

[(1, 3749478220), (2, 1874739110), (4, 937369555), (5, 749895644), (10, 374947822), (20, 187473911), (641, 5849420), (1282, 2924710), (2564, 1462355), (3205, 1169884), (6410, 584942), (12820, 292471)]