39437120

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:759

約数の個数: 56

約数和(自身を含む): 94475808

約数和(自身を除く): 55038688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 320, 491, 502, 982, 1004, 1255, 1964, 2008, 2455, 2510, 3928, 4016, 4910, 5020, 7856, 8032, 9820, 10040, 15712, 16064, 19640, 20080, 31424, 39280, 40160, 78560, 80320, 123241, 157120, 246482, 492964, 616205, 985928, 1232410, 1971856, 2464820, 3943712, 4929640, 7887424, 9859280, 19718560, 39437120]

約数ペア:

[(1, 39437120), (2, 19718560), (4, 9859280), (5, 7887424), (8, 4929640), (10, 3943712), (16, 2464820), (20, 1971856), (32, 1232410), (40, 985928), (64, 616205), (80, 492964), (160, 246482), (251, 157120), (320, 123241), (491, 80320), (502, 78560), (982, 40160), (1004, 39280), (1255, 31424), (1964, 20080), (2008, 19640), (2455, 16064), (2510, 15712), (3928, 10040), (4016, 9820), (4910, 8032), (5020, 7856)]