39870650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:959

約数の個数: 48

約数和(自身を含む): 79280640

約数和(自身を除く): 39409990

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 725, 775, 887, 899, 1450, 1550, 1774, 1798, 4435, 4495, 8870, 8990, 22175, 22475, 25723, 27497, 44350, 44950, 51446, 54994, 128615, 137485, 257230, 274970, 643075, 687425, 797413, 1286150, 1374850, 1594826, 3987065, 7974130, 19935325, 39870650]

約数ペア:

[(1, 39870650), (2, 19935325), (5, 7974130), (10, 3987065), (25, 1594826), (29, 1374850), (31, 1286150), (50, 797413), (58, 687425), (62, 643075), (145, 274970), (155, 257230), (290, 137485), (310, 128615), (725, 54994), (775, 51446), (887, 44950), (899, 44350), (1450, 27497), (1550, 25723), (1774, 22475), (1798, 22175), (4435, 8990), (4495, 8870)]