61490780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{236503}}^1$

素因数の和:236525

約数の個数: 24

約数和(自身を含む): 139064352

約数和(自身を除く): 77573572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 236503, 473006, 946012, 1182515, 2365030, 3074539, 4730060, 6149078, 12298156, 15372695, 30745390, 61490780]

約数ペア:

[(1, 61490780), (2, 30745390), (4, 15372695), (5, 12298156), (10, 6149078), (13, 4730060), (20, 3074539), (26, 2365030), (52, 1182515), (65, 946012), (130, 473006), (260, 236503)]