209427160

素因数分解:

$2^3\times 5^1\times {\mathrm{5235679}}^1$

素因数の和:5235690

約数の個数: 16

約数和(自身を含む): 471211200

約数和(自身を除く): 261784040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5235679, 10471358, 20942716, 26178395, 41885432, 52356790, 104713580, 209427160]

約数ペア:

[(1, 209427160), (2, 104713580), (4, 52356790), (5, 41885432), (8, 26178395), (10, 20942716), (20, 10471358), (40, 5235679)]