201402820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{121327}}^1$

素因数の和:121419

約数の個数: 24

約数和(自身を含む): 428045184

約数和(自身を除く): 226642364

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 121327, 242654, 485308, 606635, 1213270, 2426540, 10070141, 20140282, 40280564, 50350705, 100701410, 201402820]

約数ペア:

[(1, 201402820), (2, 100701410), (4, 50350705), (5, 40280564), (10, 20140282), (20, 10070141), (83, 2426540), (166, 1213270), (332, 606635), (415, 485308), (830, 242654), (1660, 121327)]