25891984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1607}}^1$

素因数の和:1687

約数の個数: 40

約数和(自身を含む): 53835840

約数和(自身を除く): 27943856

約数列:

[1, 2, 4, 8, 16, 19, 38, 53, 76, 106, 152, 212, 304, 424, 848, 1007, 1607, 2014, 3214, 4028, 6428, 8056, 12856, 16112, 25712, 30533, 61066, 85171, 122132, 170342, 244264, 340684, 488528, 681368, 1362736, 1618249, 3236498, 6472996, 12945992, 25891984]

約数ペア:

[(1, 25891984), (2, 12945992), (4, 6472996), (8, 3236498), (16, 1618249), (19, 1362736), (38, 681368), (53, 488528), (76, 340684), (106, 244264), (152, 170342), (212, 122132), (304, 85171), (424, 61066), (848, 30533), (1007, 25712), (1607, 16112), (2014, 12856), (3214, 8056), (4028, 6428)]