25178780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{593}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 58078944

約数和(自身を除く): 32900164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 386, 593, 772, 965, 1186, 1930, 2123, 2372, 2965, 3860, 4246, 5930, 6523, 8492, 10615, 11860, 13046, 21230, 26092, 32615, 42460, 65230, 114449, 130460, 228898, 457796, 572245, 1144490, 1258939, 2288980, 2517878, 5035756, 6294695, 12589390, 25178780]

約数ペア:

[(1, 25178780), (2, 12589390), (4, 6294695), (5, 5035756), (10, 2517878), (11, 2288980), (20, 1258939), (22, 1144490), (44, 572245), (55, 457796), (110, 228898), (193, 130460), (220, 114449), (386, 65230), (593, 42460), (772, 32615), (965, 26092), (1186, 21230), (1930, 13046), (2123, 11860), (2372, 10615), (2965, 8492), (3860, 6523), (4246, 5930)]