25455820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5153}}^1$

素因数の和:5194

約数の個数: 48

約数和(自身を含む): 60611040

約数和(自身を除く): 35155220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5153, 10306, 20612, 25765, 51530, 66989, 97907, 103060, 133978, 195814, 267956, 334945, 391628, 489535, 669890, 979070, 1272791, 1339780, 1958140, 2545582, 5091164, 6363955, 12727910, 25455820]

約数ペア:

[(1, 25455820), (2, 12727910), (4, 6363955), (5, 5091164), (10, 2545582), (13, 1958140), (19, 1339780), (20, 1272791), (26, 979070), (38, 669890), (52, 489535), (65, 391628), (76, 334945), (95, 267956), (130, 195814), (190, 133978), (247, 103060), (260, 97907), (380, 66989), (494, 51530), (988, 25765), (1235, 20612), (2470, 10306), (4940, 5153)]