38690800

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:706

約数の個数: 60

約数和(自身を含む): 93616776

約数和(自身を除く): 54925976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 491, 788, 982, 985, 1576, 1964, 1970, 2455, 3152, 3928, 3940, 4910, 4925, 7856, 7880, 9820, 9850, 12275, 15760, 19640, 19700, 24550, 39280, 39400, 49100, 78800, 96727, 98200, 193454, 196400, 386908, 483635, 773816, 967270, 1547632, 1934540, 2418175, 3869080, 4836350, 7738160, 9672700, 19345400, 38690800]

約数ペア:

[(1, 38690800), (2, 19345400), (4, 9672700), (5, 7738160), (8, 4836350), (10, 3869080), (16, 2418175), (20, 1934540), (25, 1547632), (40, 967270), (50, 773816), (80, 483635), (100, 386908), (197, 196400), (200, 193454), (394, 98200), (400, 96727), (491, 78800), (788, 49100), (982, 39400), (985, 39280), (1576, 24550), (1964, 19700), (1970, 19640), (2455, 15760), (3152, 12275), (3928, 9850), (3940, 9820), (4910, 7880), (4925, 7856)]