202807180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{122173}}^1$

素因数の和:122265

約数の個数: 24

約数和(自身を含む): 431029872

約数和(自身を除く): 228222692

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 122173, 244346, 488692, 610865, 1221730, 2443460, 10140359, 20280718, 40561436, 50701795, 101403590, 202807180]

約数ペア:

[(1, 202807180), (2, 101403590), (4, 50701795), (5, 40561436), (10, 20280718), (20, 10140359), (83, 2443460), (166, 1221730), (332, 610865), (415, 488692), (830, 244346), (1660, 122173)]