16781260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^2$

素因数の和:414

約数の個数: 36

約数和(自身を含む): 36966384

約数和(自身を除く): 20185124

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 191, 230, 382, 460, 764, 955, 1910, 3820, 4393, 8786, 17572, 21965, 36481, 43930, 72962, 87860, 145924, 182405, 364810, 729620, 839063, 1678126, 3356252, 4195315, 8390630, 16781260]

約数ペア:

[(1, 16781260), (2, 8390630), (4, 4195315), (5, 3356252), (10, 1678126), (20, 839063), (23, 729620), (46, 364810), (92, 182405), (115, 145924), (191, 87860), (230, 72962), (382, 43930), (460, 36481), (764, 21965), (955, 17572), (1910, 8786), (3820, 4393)]