25007800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6581}}^1$

素因数の和:6616

約数の個数: 48

約数和(自身を含む): 61212600

約数和(自身を除く): 36204800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 6581, 13162, 26324, 32905, 52648, 65810, 125039, 131620, 164525, 250078, 263240, 329050, 500156, 625195, 658100, 1000312, 1250390, 1316200, 2500780, 3125975, 5001560, 6251950, 12503900, 25007800]

約数ペア:

[(1, 25007800), (2, 12503900), (4, 6251950), (5, 5001560), (8, 3125975), (10, 2500780), (19, 1316200), (20, 1250390), (25, 1000312), (38, 658100), (40, 625195), (50, 500156), (76, 329050), (95, 263240), (100, 250078), (152, 164525), (190, 131620), (200, 125039), (380, 65810), (475, 52648), (760, 32905), (950, 26324), (1900, 13162), (3800, 6581)]