521310140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2005039}}^1$

素因数の和:2005061

約数の個数: 24

約数和(自身を含む): 1178963520

約数和(自身を除く): 657653380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2005039, 4010078, 8020156, 10025195, 20050390, 26065507, 40100780, 52131014, 104262028, 130327535, 260655070, 521310140]

約数ペア:

[(1, 521310140), (2, 260655070), (4, 130327535), (5, 104262028), (10, 52131014), (13, 40100780), (20, 26065507), (26, 20050390), (52, 10025195), (65, 8020156), (130, 4010078), (260, 2005039)]