25719100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 61746048

約数和(自身を除く): 36026948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 103, 110, 206, 220, 227, 275, 412, 454, 515, 550, 908, 1030, 1100, 1133, 1135, 2060, 2266, 2270, 2497, 2575, 4532, 4540, 4994, 5150, 5665, 5675, 9988, 10300, 11330, 11350, 12485, 22660, 22700, 23381, 24970, 28325, 46762, 49940, 56650, 62425, 93524, 113300, 116905, 124850, 233810, 249700, 257191, 467620, 514382, 584525, 1028764, 1169050, 1285955, 2338100, 2571910, 5143820, 6429775, 12859550, 25719100]

約数ペア:

[(1, 25719100), (2, 12859550), (4, 6429775), (5, 5143820), (10, 2571910), (11, 2338100), (20, 1285955), (22, 1169050), (25, 1028764), (44, 584525), (50, 514382), (55, 467620), (100, 257191), (103, 249700), (110, 233810), (206, 124850), (220, 116905), (227, 113300), (275, 93524), (412, 62425), (454, 56650), (515, 49940), (550, 46762), (908, 28325), (1030, 24970), (1100, 23381), (1133, 22700), (1135, 22660), (2060, 12485), (2266, 11350), (2270, 11330), (2497, 10300), (2575, 9988), (4532, 5675), (4540, 5665), (4994, 5150)]