201289940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{121259}}^1$

素因数の和:121351

約数の個数: 24

約数和(自身を含む): 427805280

約数和(自身を除く): 226515340

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 121259, 242518, 485036, 606295, 1212590, 2425180, 10064497, 20128994, 40257988, 50322485, 100644970, 201289940]

約数ペア:

[(1, 201289940), (2, 100644970), (4, 50322485), (5, 40257988), (10, 20128994), (20, 10064497), (83, 2425180), (166, 1212590), (332, 606295), (415, 485036), (830, 242518), (1660, 121259)]