51267800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8269}}^1$

素因数の和:8316

約数の個数: 48

約数和(自身を含む): 123057600

約数和(自身を除く): 71789800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 8269, 16538, 33076, 41345, 66152, 82690, 165380, 206725, 256339, 330760, 413450, 512678, 826900, 1025356, 1281695, 1653800, 2050712, 2563390, 5126780, 6408475, 10253560, 12816950, 25633900, 51267800]

約数ペア:

[(1, 51267800), (2, 25633900), (4, 12816950), (5, 10253560), (8, 6408475), (10, 5126780), (20, 2563390), (25, 2050712), (31, 1653800), (40, 1281695), (50, 1025356), (62, 826900), (100, 512678), (124, 413450), (155, 330760), (200, 256339), (248, 206725), (310, 165380), (620, 82690), (775, 66152), (1240, 41345), (1550, 33076), (3100, 16538), (6200, 8269)]